/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/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:14:39,972 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:14:40,045 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 17:14:40,075 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:14:40,076 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:14:40,077 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:14:40,078 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:14:40,078 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:14:40,079 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:14:40,082 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:14:40,083 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:14:40,083 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:14:40,083 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:14:40,084 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:14:40,084 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:14:40,084 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:14:40,085 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:14:40,085 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:14:40,085 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:14:40,085 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:14:40,085 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:14:40,086 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:14:40,086 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:14:40,086 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:14:40,086 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:14:40,087 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:14:40,087 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:14:40,087 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:14:40,087 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:14:40,088 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:14:40,089 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:14:40,089 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:14:40,089 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:14:40,090 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:14:40,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:14:40,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:14:40,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:14:40,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:14:40,331 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:14:40,332 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:14:40,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2023-10-12 17:14:40,333 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2023-10-12 17:14:40,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:14:40,361 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:14:40,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:40,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:14:40,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:14:40,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,389 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:14:40,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:14:40,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:14:40,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:14:40,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:14:40,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:14:40,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:14:40,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:14:40,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:14:40,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/1) ... [2023-10-12 17:14:40,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:40,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:40,462 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 17:14:40,472 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 17:14:40,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:14:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:14:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:14:40,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:14:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:14:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:14:40,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:14:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:14:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:14:40,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:14:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:14:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:14:40,500 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 17:14:40,551 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:14:40,553 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:14:40,655 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:14:40,675 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:14:40,675 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:14:40,677 INFO L201 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:14:40 BoogieIcfgContainer [2023-10-12 17:14:40,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:14:40,678 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:14:40,678 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:14:40,682 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:14:40,683 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:40,683 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:14:40" (1/2) ... [2023-10-12 17:14:40,684 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59782b9 and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:14:40, skipping insertion in model container [2023-10-12 17:14:40,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:14:40,684 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:14:40" (2/2) ... [2023-10-12 17:14:40,686 INFO L332 chiAutomizerObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2023-10-12 17:14:40,750 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:14:40,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 88 flow [2023-10-12 17:14:40,794 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:14:40,795 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:40,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2023-10-12 17:14:40,798 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 88 flow [2023-10-12 17:14:40,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2023-10-12 17:14:40,805 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:14:40,823 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 26 transitions, 70 flow [2023-10-12 17:14:40,825 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 26 transitions, 70 flow [2023-10-12 17:14:40,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 26 transitions, 70 flow [2023-10-12 17:14:40,832 INFO L124 PetriNetUnfolderBase]: 4/26 cut-off events. [2023-10-12 17:14:40,832 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:14:40,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2023-10-12 17:14:40,833 INFO L119 LiptonReduction]: Number of co-enabled transitions 184 [2023-10-12 17:14:41,143 INFO L134 LiptonReduction]: Checked pairs total: 178 [2023-10-12 17:14:41,143 INFO L136 LiptonReduction]: Total number of compositions: 11 [2023-10-12 17:14:41,166 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:14:41,167 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:14:41,167 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:14:41,167 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:14:41,167 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:14:41,167 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:14:41,167 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:14:41,167 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:14:41,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:14:41,200 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 22 [2023-10-12 17:14:41,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:41,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:41,204 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:41,205 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:41,205 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:14:41,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 31 states, but on-demand construction may add more states [2023-10-12 17:14:41,208 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 22 [2023-10-12 17:14:41,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:41,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:41,209 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:14:41,209 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:41,212 INFO L748 eck$LassoCheckResult]: Stem: 38#[$Ultimate##0]don't care [110] $Ultimate##0-->L64: Formula: (and (<= 0 v_N_22) (= v_i_20 0) (= v_i_20 v_k_30) (= v_asum_19 v_i_20) (= v_i_20 v_l_25) (= v_i_20 v_p_18) (= v_i_20 v_csum_15) (= v_i_20 v_bsum_19)) InVars {csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} OutVars{csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} AuxVars[] AssignedVars[] 41#[L64]don't care [91] L64-->L25-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 43#[L25-1, L64-1]don't care [2023-10-12 17:14:41,212 INFO L750 eck$LassoCheckResult]: Loop: 43#[L25-1, L64-1]don't care [103] L25-1-->L25-1: Formula: (and (< v_i_17 v_N_10) (= (+ v_i_17 1) v_i_16) (= v_asum_13 (+ v_asum_14 (select v_A_11 v_i_17))) (= v_bsum_13 (+ (select v_B_11 v_i_17) v_bsum_14))) InVars {A=v_A_11, bsum=v_bsum_14, N=v_N_10, i=v_i_17, asum=v_asum_14, B=v_B_11} OutVars{A=v_A_11, bsum=v_bsum_13, N=v_N_10, i=v_i_16, asum=v_asum_13, B=v_B_11} AuxVars[] AssignedVars[bsum, i, asum] 43#[L25-1, L64-1]don't care [2023-10-12 17:14:41,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:41,217 INFO L85 PathProgramCache]: Analyzing trace with hash 4462, now seen corresponding path program 1 times [2023-10-12 17:14:41,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:41,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766160675] [2023-10-12 17:14:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:41,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:41,342 INFO L85 PathProgramCache]: Analyzing trace with hash 134, now seen corresponding path program 1 times [2023-10-12 17:14:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:41,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268688517] [2023-10-12 17:14:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:41,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:41,382 INFO L85 PathProgramCache]: Analyzing trace with hash 138425, now seen corresponding path program 1 times [2023-10-12 17:14:41,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:41,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503000506] [2023-10-12 17:14:41,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:41,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:41,545 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:41,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:41,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:41,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:41,547 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:41,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:41,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:41,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:41,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: three-array-sum.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:14:41,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:41,548 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:41,562 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 17:14:41,597 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 17:14:41,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:14:41,603 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 17:14:41,605 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 17:14:41,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:14:41,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:41,718 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:41,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:41,722 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 17:14:41,726 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 17:14:41,729 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 17:14:41,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:41,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:41,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:41,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:41,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:41,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:41,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:41,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:14:41,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:41,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:41,778 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 17:14:41,779 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 17:14:41,781 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 17:14:41,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:41,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:41,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:41,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:41,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:41,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:41,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:41,825 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:14:41,825 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:14:41,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:41,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:41,839 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 17:14:41,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:41,877 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 17:14:41,887 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:14:41,888 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:41,888 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2023-10-12 17:14:41,895 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 17:14:41,898 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:14:41,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:41,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:14:41,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:41,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:41,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:41,972 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 17:14:41,993 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 17:14:41,995 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 31 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 17:14:42,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 31 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 85 states and 279 transitions. Complement of second has 5 states. [2023-10-12 17:14:42,055 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 17:14:42,059 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 17:14:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2023-10-12 17:14:42,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:14:42,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:42,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:14:42,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 279 transitions. [2023-10-12 17:14:42,068 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 19 [2023-10-12 17:14:42,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 54 states and 185 transitions. [2023-10-12 17:14:42,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-10-12 17:14:42,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2023-10-12 17:14:42,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 185 transitions. [2023-10-12 17:14:42,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:42,080 INFO L219 hiAutomatonCegarLoop]: Abstraction has 54 states and 185 transitions. [2023-10-12 17:14:42,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 185 transitions. [2023-10-12 17:14:42,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 40. [2023-10-12 17:14:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 3.525) internal successors, (141), 39 states have internal predecessors, (141), 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 17:14:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 141 transitions. [2023-10-12 17:14:42,104 INFO L241 hiAutomatonCegarLoop]: Abstraction has 40 states and 141 transitions. [2023-10-12 17:14:42,104 INFO L430 stractBuchiCegarLoop]: Abstraction has 40 states and 141 transitions. [2023-10-12 17:14:42,104 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:14:42,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 141 transitions. [2023-10-12 17:14:42,105 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 19 [2023-10-12 17:14:42,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:42,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:42,106 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:14:42,106 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:42,107 INFO L748 eck$LassoCheckResult]: Stem: 294#[$Ultimate##0]don't care [110] $Ultimate##0-->L64: Formula: (and (<= 0 v_N_22) (= v_i_20 0) (= v_i_20 v_k_30) (= v_asum_19 v_i_20) (= v_i_20 v_l_25) (= v_i_20 v_p_18) (= v_i_20 v_csum_15) (= v_i_20 v_bsum_19)) InVars {csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} OutVars{csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} AuxVars[] AssignedVars[] 290#[L64]don't care [91] L64-->L25-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 232#[L25-1, L64-1]don't care [94] L64-1-->L37-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 238#[L65, L37-1, L25-1]don't care [2023-10-12 17:14:42,107 INFO L750 eck$LassoCheckResult]: Loop: 238#[L65, L37-1, L25-1]don't care [109] L37-1-->L37-1: Formula: (and (= v_k_26 (+ v_k_27 1)) (= v_k_26 v_p_16) (= v_C_22 (store v_C_23 v_k_27 (+ (select v_A_17 v_k_27) (select v_B_17 v_k_27)))) (< v_k_27 v_N_20)) InVars {A=v_A_17, N=v_N_20, k=v_k_27, C=v_C_23, B=v_B_17} OutVars{A=v_A_17, p=v_p_16, N=v_N_20, k=v_k_26, C=v_C_22, B=v_B_17} AuxVars[] AssignedVars[p, k, C] 238#[L65, L37-1, L25-1]don't care [2023-10-12 17:14:42,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash 138416, now seen corresponding path program 1 times [2023-10-12 17:14:42,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:42,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702535368] [2023-10-12 17:14:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:42,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:42,124 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:42,124 INFO L85 PathProgramCache]: Analyzing trace with hash 140, now seen corresponding path program 1 times [2023-10-12 17:14:42,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:42,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758197544] [2023-10-12 17:14:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:42,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash 4291005, now seen corresponding path program 1 times [2023-10-12 17:14:42,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:42,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170619277] [2023-10-12 17:14:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:42,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:42,244 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:14:42,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:14:42,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:14:42,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:14:42,244 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:14:42,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:14:42,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:14:42,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: three-array-sum.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:14:42,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:14:42,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:14:42,250 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 17:14:42,253 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 17:14:42,256 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 17:14:42,258 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 17:14:42,276 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 17:14:42,278 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 17:14:42,281 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 17:14:42,283 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 17:14:42,286 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 17:14:42,377 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:14:42,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:14:42,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,381 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 17:14:42,391 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 17:14:42,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:42,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:42,410 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 17:14:42,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:42,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-10-12 17:14:42,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,437 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 17:14:42,448 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 17:14:42,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:42,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:42,462 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 17:14:42,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:42,479 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 17:14:42,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,606 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 17:14:42,608 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 17:14:42,610 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 17:14:42,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:42,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:42,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:42,640 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 17:14:42,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,642 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 17:14:42,645 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 17:14:42,646 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 17:14:42,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:14:42,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:14:42,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:14:42,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:42,694 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 17:14:42,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,697 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 17:14:42,704 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 17:14:42,705 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 17:14:42,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:14:42,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:14:42,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:14:42,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:14:42,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-10-12 17:14:42,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,727 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 17:14:42,728 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 17:14:42,730 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 17:14:42,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:14:42,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:14:42,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:14:42,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:14:42,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:14:42,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:14:42,769 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:14:42,783 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-10-12 17:14:42,783 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:14:42,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:14:42,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:14:42,785 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 17:14:42,794 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:14:42,802 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 17:14:42,812 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:14:42,812 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:14:42,812 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(p, N) = -1*p + 1*N Supporting invariants [-1*p + 1*k >= 0] [2023-10-12 17:14:42,817 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 17:14:42,820 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:14:42,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:42,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:14:42,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:14:42,903 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2023-10-12 17:14:42,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:14:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:14:42,904 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-10-12 17:14:42,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 141 transitions. cyclomatic complexity: 119 Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 17:14:42,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 141 transitions. cyclomatic complexity: 119. Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 122 states and 448 transitions. Complement of second has 5 states. [2023-10-12 17:14:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:14:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) 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 17:14:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-10-12 17:14:42,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:14:42,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:14:42,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:14:42,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:14:42,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 448 transitions. [2023-10-12 17:14:42,986 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 14 [2023-10-12 17:14:42,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 80 states and 296 transitions. [2023-10-12 17:14:42,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-10-12 17:14:42,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-10-12 17:14:42,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 296 transitions. [2023-10-12 17:14:42,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:14:42,992 INFO L219 hiAutomatonCegarLoop]: Abstraction has 80 states and 296 transitions. [2023-10-12 17:14:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 296 transitions. [2023-10-12 17:14:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 65. [2023-10-12 17:14:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 3.953846153846154) internal successors, (257), 64 states have internal predecessors, (257), 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 17:14:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 257 transitions. [2023-10-12 17:14:43,007 INFO L241 hiAutomatonCegarLoop]: Abstraction has 65 states and 257 transitions. [2023-10-12 17:14:43,007 INFO L430 stractBuchiCegarLoop]: Abstraction has 65 states and 257 transitions. [2023-10-12 17:14:43,007 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:14:43,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 257 transitions. [2023-10-12 17:14:43,010 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 14 [2023-10-12 17:14:43,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:14:43,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:14:43,010 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:14:43,010 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:14:43,011 INFO L748 eck$LassoCheckResult]: Stem: 541#[$Ultimate##0]don't care [110] $Ultimate##0-->L64: Formula: (and (<= 0 v_N_22) (= v_i_20 0) (= v_i_20 v_k_30) (= v_asum_19 v_i_20) (= v_i_20 v_l_25) (= v_i_20 v_p_18) (= v_i_20 v_csum_15) (= v_i_20 v_bsum_19)) InVars {csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} OutVars{csum=v_csum_15, p=v_p_18, N=v_N_22, bsum=v_bsum_19, l=v_l_25, k=v_k_30, i=v_i_20, asum=v_asum_19} AuxVars[] AssignedVars[] 505#[L64]don't care [91] L64-->L25-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 507#[L25-1, L64-1]don't care [94] L64-1-->L37-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 525#[L65, L37-1, L25-1]don't care [97] L65-->L49-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 477#[L49-1, L37-1, L66, L25-1]don't care [2023-10-12 17:14:43,011 INFO L750 eck$LassoCheckResult]: Loop: 477#[L49-1, L37-1, L66, L25-1]don't care [107] L49-1-->L49-1: Formula: (and (<= v_p_14 v_l_23) (< v_l_23 v_N_16)) InVars {p=v_p_14, N=v_N_16, l=v_l_23} OutVars{p=v_p_14, N=v_N_16, l=v_l_23} AuxVars[] AssignedVars[] 477#[L49-1, L37-1, L66, L25-1]don't care [2023-10-12 17:14:43,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:43,012 INFO L85 PathProgramCache]: Analyzing trace with hash 4290993, now seen corresponding path program 1 times [2023-10-12 17:14:43,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:43,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363218075] [2023-10-12 17:14:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:43,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:43,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:43,036 INFO L85 PathProgramCache]: Analyzing trace with hash 138, now seen corresponding path program 1 times [2023-10-12 17:14:43,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:43,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361486822] [2023-10-12 17:14:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:43,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:14:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash 133020890, now seen corresponding path program 1 times [2023-10-12 17:14:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:14:43,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470081261] [2023-10-12 17:14:43,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:14:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:14:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:14:43,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:14:43,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:14:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:14:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:14:43,238 INFO L201 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:14:43 BoogieIcfgContainer [2023-10-12 17:14:43,238 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:14:43,238 INFO L158 Benchmark]: Toolchain (without parser) took 2877.73ms. Allocated memory was 191.9MB in the beginning and 253.8MB in the end (delta: 61.9MB). Free memory was 147.3MB in the beginning and 215.3MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:14:43,239 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 191.9MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:14:43,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.74ms. Allocated memory is still 191.9MB. Free memory was 147.1MB in the beginning and 145.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:14:43,240 INFO L158 Benchmark]: Boogie Preprocessor took 15.74ms. Allocated memory is still 191.9MB. Free memory was 145.6MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:14:43,240 INFO L158 Benchmark]: RCFGBuilder took 269.27ms. Allocated memory is still 191.9MB. Free memory was 144.5MB in the beginning and 166.8MB in the end (delta: -22.3MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2023-10-12 17:14:43,241 INFO L158 Benchmark]: BuchiAutomizer took 2559.77ms. Allocated memory was 191.9MB in the beginning and 253.8MB in the end (delta: 61.9MB). Free memory was 166.6MB in the beginning and 215.3MB in the end (delta: -48.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-10-12 17:14:43,242 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 0.28ms. Allocated memory is still 191.9MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.74ms. Allocated memory is still 191.9MB. Free memory was 147.1MB in the beginning and 145.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.74ms. Allocated memory is still 191.9MB. Free memory was 145.6MB in the beginning and 144.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.27ms. Allocated memory is still 191.9MB. Free memory was 144.5MB in the beginning and 166.8MB in the end (delta: -22.3MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 2559.77ms. Allocated memory was 191.9MB in the beginning and 253.8MB in the end (delta: 61.9MB). Free memory was 166.6MB in the beginning and 215.3MB in the end (delta: -48.8MB). Peak memory consumption was 12.6MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function N + -1 * p and consists of 4 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 29 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital54 mio100 ax100 hnf100 lsp64 ukn76 mio100 lsp75 div100 bol100 ite100 ukn100 eq172 hnf91 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 48]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L62] 0 assume i == k && i == l && i == p && i == asum && i == bsum && i == csum && i == 0; [L63] 0 assume 0 <= N; VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L64] FORK 0 fork 1 thread1(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L65] FORK 0 fork 2, 2 thread2(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L66] FORK 0 fork 3, 3, 3 thread3(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] Loop: [L48] COND TRUE l < N [L49] COND FALSE !(l < p) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 48]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] 0 assume i == k && i == l && i == p && i == asum && i == bsum && i == csum && i == 0; [L63] 0 assume 0 <= N; VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L64] FORK 0 fork 1 thread1(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L65] FORK 0 fork 2, 2 thread2(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] [L66] FORK 0 fork 3, 3, 3 thread3(); VAL [N=1, asum=0, bsum=0, csum=0, i=0, k=0, l=0, p=0] Loop: [L48] COND TRUE l < N [L49] COND FALSE !(l < p) End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 32 PlacesBefore, 23 PlacesAfterwards, 26 TransitionsBefore, 17 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 178 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 166, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, independent: 104, independent conditional: 0, independent unconditional: 104, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, independent: 104, independent conditional: 0, independent unconditional: 104, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 166, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2023-10-12 17:14:43,265 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...