/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/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:13:34,026 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:13:34,057 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:13:34,071 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:13:34,072 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:13:34,072 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:13:34,073 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:13:34,073 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:13:34,073 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:13:34,074 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:13:34,074 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:13:34,074 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:13:34,074 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:13:34,074 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:13:34,075 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:13:34,075 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:13:34,075 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:13:34,075 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:13:34,075 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:13:34,076 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:13:34,076 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:13:34,076 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:13:34,076 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:13:34,077 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:13:34,078 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:13:34,078 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:13:34,078 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:13:34,078 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:13:34,079 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:13:34,079 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:13:34,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:13:34,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:13:34,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:13:34,286 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:13:34,287 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:13:34,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2023-10-12 17:13:34,288 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2023-10-12 17:13:34,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:13:34,317 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:13:34,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:34,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:13:34,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:13:34,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,338 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:13:34,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:13:34,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:13:34,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:13:34,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:13:34,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:13:34,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:13:34,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:13:34,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:13:34,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/1) ... [2023-10-12 17:13:34,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:34,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:34,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-10-12 17:13:34,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:13:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:13:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:13:34,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:13:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:13:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:13:34,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:13:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:13:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:13:34,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:13:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:13:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:13:34,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:13:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:13:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:13:34,471 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:13:34,513 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:13:34,514 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:13:34,635 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:13:34,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:13:34,666 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-10-12 17:13:34,666 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2023-10-12 17:13:34,667 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-10-12 17:13:34,667 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-10-12 17:13:34,667 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2023-10-12 17:13:34,669 INFO L201 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:34 BoogieIcfgContainer [2023-10-12 17:13:34,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:13:34,670 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:13:34,670 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:13:34,673 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:13:34,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:34,673 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:13:34" (1/2) ... [2023-10-12 17:13:34,674 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@412db677 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:13:34, skipping insertion in model container [2023-10-12 17:13:34,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:13:34,675 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:13:34" (2/2) ... [2023-10-12 17:13:34,683 INFO L332 chiAutomizerObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2023-10-12 17:13:34,756 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:13:34,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 98 flow [2023-10-12 17:13:34,835 INFO L124 PetriNetUnfolderBase]: 4/25 cut-off events. [2023-10-12 17:13:34,835 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:34,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:13:34,839 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 98 flow [2023-10-12 17:13:34,842 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 25 transitions, 74 flow [2023-10-12 17:13:34,844 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:13:34,852 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 74 flow [2023-10-12 17:13:34,854 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 74 flow [2023-10-12 17:13:34,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 74 flow [2023-10-12 17:13:34,859 INFO L124 PetriNetUnfolderBase]: 4/25 cut-off events. [2023-10-12 17:13:34,860 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:13:34,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:13:34,861 INFO L119 LiptonReduction]: Number of co-enabled transitions 180 [2023-10-12 17:13:35,026 INFO L134 LiptonReduction]: Checked pairs total: 216 [2023-10-12 17:13:35,027 INFO L136 LiptonReduction]: Total number of compositions: 7 [2023-10-12 17:13:35,040 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:13:35,040 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:13:35,040 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:13:35,040 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:13:35,040 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:13:35,041 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:13:35,041 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:13:35,041 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:13:35,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:13:35,069 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 37 [2023-10-12 17:13:35,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:35,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:35,074 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:35,074 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:35,074 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:13:35,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 48 states, but on-demand construction may add more states [2023-10-12 17:13:35,077 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 37 [2023-10-12 17:13:35,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:35,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:35,078 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:13:35,078 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:35,081 INFO L748 eck$LassoCheckResult]: Stem: 41#[$Ultimate##0]don't care [74] $Ultimate##0-->L76: Formula: (and (= v_s1_5 v_s2_1) (= v_s1_5 0) (= v_i2_1 v_s1_5) (= v_i1_9 v_s1_5)) InVars {i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} OutVars{i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} AuxVars[] AssignedVars[] 44#[L76]don't care [92] L76-->L23: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 46#[L23, L76-1]don't care [2023-10-12 17:13:35,082 INFO L750 eck$LassoCheckResult]: Loop: 46#[L23, L76-1]don't care [110] L23-->L23: Formula: (and (< v_i1_44 v_n_30) (= (select v_x_33 v_i1_43) v_t11_15) (= (+ v_s1_24 v_t11_15) v_s1_23) (= (+ v_i1_44 1) v_i1_43)) InVars {s1=v_s1_24, n=v_n_30, i1=v_i1_44, x=v_x_33} OutVars{s1=v_s1_23, n=v_n_30, t11=v_t11_15, i1=v_i1_43, x=v_x_33} AuxVars[] AssignedVars[s1, t11, i1] 46#[L23, L76-1]don't care [2023-10-12 17:13:35,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,085 INFO L85 PathProgramCache]: Analyzing trace with hash 3347, now seen corresponding path program 1 times [2023-10-12 17:13:35,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297753813] [2023-10-12 17:13:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash 141, now seen corresponding path program 1 times [2023-10-12 17:13:35,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920271724] [2023-10-12 17:13:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash 103867, now seen corresponding path program 1 times [2023-10-12 17:13:35,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69156036] [2023-10-12 17:13:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,331 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:35,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:35,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:35,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:35,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:35,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:35,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:35,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:13:35,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:35,334 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:35,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,445 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:35,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:35,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:35,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:35,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-10-12 17:13:35,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:35,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:35,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:35,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:35,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:35,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:35,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:35,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:35,488 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 17:13:35,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:35,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:35,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-10-12 17:13:35,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:35,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:35,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:35,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:35,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:35,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:35,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:35,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:35,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:35,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:35,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:35,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-10-12 17:13:35,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:35,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:35,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:35,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:35,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:35,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:35,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:35,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:35,621 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:13:35,622 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:13:35,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:35,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:35,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:35,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-10-12 17:13:35,668 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:35,669 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:35,669 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, i1) = 1*n - 1*i1 Supporting invariants [] [2023-10-12 17:13:35,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:35,688 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:35,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:35,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:35,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:35,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:35,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:35,761 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:35,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 48 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 17:13:35,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 48 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 155 states and 606 transitions. Complement of second has 5 states. [2023-10-12 17:13:35,826 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 17:13:35,830 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 17:13:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2023-10-12 17:13:35,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:13:35,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:35,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:13:35,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:35,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:13:35,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:35,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 606 transitions. [2023-10-12 17:13:35,846 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 26 [2023-10-12 17:13:35,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 111 states and 434 transitions. [2023-10-12 17:13:35,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-10-12 17:13:35,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-10-12 17:13:35,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 434 transitions. [2023-10-12 17:13:35,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:13:35,855 INFO L219 hiAutomatonCegarLoop]: Abstraction has 111 states and 434 transitions. [2023-10-12 17:13:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 434 transitions. [2023-10-12 17:13:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 82. [2023-10-12 17:13:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 4.2073170731707314) internal successors, (345), 81 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:13:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 345 transitions. [2023-10-12 17:13:35,877 INFO L241 hiAutomatonCegarLoop]: Abstraction has 82 states and 345 transitions. [2023-10-12 17:13:35,877 INFO L430 stractBuchiCegarLoop]: Abstraction has 82 states and 345 transitions. [2023-10-12 17:13:35,877 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:13:35,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 345 transitions. [2023-10-12 17:13:35,878 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 26 [2023-10-12 17:13:35,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:13:35,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:13:35,879 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:13:35,879 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:13:35,879 INFO L748 eck$LassoCheckResult]: Stem: 475#[$Ultimate##0]don't care [74] $Ultimate##0-->L76: Formula: (and (= v_s1_5 v_s2_1) (= v_s1_5 0) (= v_i2_1 v_s1_5) (= v_i1_9 v_s1_5)) InVars {i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} OutVars{i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} AuxVars[] AssignedVars[] 477#[L76]don't care [92] L76-->L23: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 481#[L23, L76-1]don't care [95] L76-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 431#[L77, L36, L23]don't care [98] L77-->L49: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 433#[L78, L23, L36, L49]don't care [2023-10-12 17:13:35,879 INFO L750 eck$LassoCheckResult]: Loop: 433#[L78, L23, L36, L49]don't care [108] L49-->L49: Formula: (and (= (select v_x_25 v_i2_33) v_t12_11) (= (+ v_s2_14 v_t12_11) v_s2_13) (= (+ v_i2_34 1) v_i2_33) (< v_i2_34 v_n_22)) InVars {s2=v_s2_14, n=v_n_22, x=v_x_25, i2=v_i2_34} OutVars{s2=v_s2_13, n=v_n_22, t12=v_t12_11, x=v_x_25, i2=v_i2_33} AuxVars[] AssignedVars[s2, t12, i2] 433#[L78, L23, L36, L49]don't care [2023-10-12 17:13:35,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash 3219510, now seen corresponding path program 1 times [2023-10-12 17:13:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129017287] [2023-10-12 17:13:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,888 INFO L85 PathProgramCache]: Analyzing trace with hash 139, now seen corresponding path program 1 times [2023-10-12 17:13:35,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492427979] [2023-10-12 17:13:35,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:35,895 INFO L85 PathProgramCache]: Analyzing trace with hash 99804918, now seen corresponding path program 1 times [2023-10-12 17:13:35,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:13:35,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708912272] [2023-10-12 17:13:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:13:35,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:13:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:13:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:13:35,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:13:35,978 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:13:35,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:13:35,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:13:35,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:13:35,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:13:35,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:35,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:13:35,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:13:35,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:13:35,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:13:35,981 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:13:35,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:35,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:13:36,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:13:36,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:13:36,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-10-12 17:13:36,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:36,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:36,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:36,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:36,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:36,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:36,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:36,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:36,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:36,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-10-12 17:13:36,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:36,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:36,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:36,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:36,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:36,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:36,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:36,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:36,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:36,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,217 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-10-12 17:13:36,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:36,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:36,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:36,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:36,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:36,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:36,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:36,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:36,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:36,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-10-12 17:13:36,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:36,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:36,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:36,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:36,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:36,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:36,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:36,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:13:36,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:36,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,356 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:13:36,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:13:36,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:13:36,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:13:36,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:13:36,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:13:36,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:13:36,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-10-12 17:13:36,422 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:13:36,433 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:13:36,433 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:13:36,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:13:36,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:13:36,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:13:36,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-10-12 17:13:36,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:13:36,484 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:13:36,484 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:13:36,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, i2) = 1*n - 1*i2 Supporting invariants [] [2023-10-12 17:13:36,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-10-12 17:13:36,488 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:13:36,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:13:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:36,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:13:36,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:13:36,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:13:36,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:13:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:13:36,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:13:36,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 345 transitions. cyclomatic complexity: 311 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 17:13:36,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 345 transitions. cyclomatic complexity: 311. 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 255 states and 1003 transitions. Complement of second has 4 states. [2023-10-12 17:13:36,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:13:36,592 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 17:13:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2023-10-12 17:13:36,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:13:36,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:36,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:13:36,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:36,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:13:36,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:13:36,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 1003 transitions. [2023-10-12 17:13:36,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:36,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:13:36,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:13:36,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:13:36,600 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:13:36,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:13:36,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:13:36,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:13:36,609 INFO L201 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:13:36 BoogieIcfgContainer [2023-10-12 17:13:36,609 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:13:36,610 INFO L158 Benchmark]: Toolchain (without parser) took 2292.31ms. Allocated memory was 164.6MB in the beginning and 219.2MB in the end (delta: 54.5MB). Free memory was 116.9MB in the beginning and 184.7MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:36,610 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 164.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:36,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.60ms. Allocated memory is still 164.6MB. Free memory was 116.7MB in the beginning and 115.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:36,610 INFO L158 Benchmark]: Boogie Preprocessor took 21.13ms. Allocated memory is still 164.6MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:13:36,611 INFO L158 Benchmark]: RCFGBuilder took 307.36ms. Allocated memory is still 164.6MB. Free memory was 114.2MB in the beginning and 102.4MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:13:36,611 INFO L158 Benchmark]: BuchiAutomizer took 1939.03ms. Allocated memory was 164.6MB in the beginning and 219.2MB in the end (delta: 54.5MB). Free memory was 102.2MB in the beginning and 184.7MB in the end (delta: -82.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:13:36,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-10-12 17:13:36,618 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25ms. Allocated memory is still 164.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.60ms. Allocated memory is still 164.6MB. Free memory was 116.7MB in the beginning and 115.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 21.13ms. Allocated memory is still 164.6MB. Free memory was 115.2MB in the beginning and 114.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.36ms. Allocated memory is still 164.6MB. Free memory was 114.2MB in the beginning and 102.4MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 1939.03ms. Allocated memory was 164.6MB in the beginning and 219.2MB in the end (delta: 54.5MB). Free memory was 102.2MB in the beginning and 184.7MB in the end (delta: -82.4MB). There was no memory consumed. 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). One deterministic module has affine ranking function n + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + n and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 29 StatesRemovedByMinimization, 1 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, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf100 lsp63 ukn92 mio100 lsp50 div100 bol100 ite100 ukn100 eq216 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 34 PlacesBefore, 28 PlacesAfterwards, 25 TransitionsBefore, 19 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 216 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 197, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, independent: 102, independent conditional: 0, independent unconditional: 102, 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: 106, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 197, independent: 91, independent conditional: 0, independent unconditional: 91, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 106, unknown conditional: 0, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, 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 17:13:36,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:13:36,836 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...