/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 RABIN_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:38:35,925 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:38:36,096 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 17:38:36,117 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:38:36,117 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:38:36,118 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:38:36,119 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:38:36,119 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:38:36,119 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:38:36,120 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:38:36,120 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:38:36,120 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:38:36,121 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:38:36,121 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:38:36,121 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:38:36,122 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:38:36,122 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:38:36,122 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:38:36,123 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:38:36,123 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:38:36,123 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:38:36,124 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:38:36,124 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:38:36,125 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:38:36,125 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:38:36,125 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:38:36,125 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:38:36,126 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:38:36,126 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:38:36,126 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:38:36,127 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:38:36,127 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:38:36,127 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:38:36,128 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:38:36,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:38:36,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:38:36,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:38:36,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:38:36,380 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:38:36,381 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:38:36,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl [2023-10-12 17:38:36,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl' [2023-10-12 17:38:36,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:38:36,423 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:38:36,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:36,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:38:36,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:38:36,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,450 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:38:36,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:36,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:38:36,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:38:36,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:38:36,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:38:36,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:38:36,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:38:36,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:38:36,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/1) ... [2023-10-12 17:38:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:36,519 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 17:38:36,541 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 17:38:36,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:38:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:38:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:38:36,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:38:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:38:36,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:38:36,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:38:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:38:36,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:38:36,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:38:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:38:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:38:36,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-10-12 17:38:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-10-12 17:38:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-10-12 17:38:36,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2023-10-12 17:38:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-10-12 17:38:36,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-10-12 17:38:36,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2023-10-12 17:38:36,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-10-12 17:38:36,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-10-12 17:38:36,560 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 17:38:36,610 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:38:36,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:38:36,720 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:38:36,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:38:36,746 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-10-12 17:38:36,747 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2023-10-12 17:38:36,747 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2023-10-12 17:38:36,748 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2023-10-12 17:38:36,748 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2023-10-12 17:38:36,749 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:36 BoogieIcfgContainer [2023-10-12 17:38:36,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:38:36,751 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:38:36,751 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:38:36,754 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:38:36,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:36,755 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:36" (1/2) ... [2023-10-12 17:38:36,769 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@643a44c2 and model type parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:38:36, skipping insertion in model container [2023-10-12 17:38:36,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:36,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:36" (2/2) ... [2023-10-12 17:38:36,771 INFO L332 chiAutomizerObserver]: Analyzing ICFG parallel-sum-2.wvr.bpl [2023-10-12 17:38:36,904 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-10-12 17:38:36,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 61 transitions, 194 flow [2023-10-12 17:38:36,957 INFO L124 PetriNetUnfolderBase]: 8/39 cut-off events. [2023-10-12 17:38:36,957 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:38:36,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 39 events. 8/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 64 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2023-10-12 17:38:36,962 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 61 transitions, 194 flow [2023-10-12 17:38:36,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 39 transitions, 126 flow [2023-10-12 17:38:36,970 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:38:36,983 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 39 transitions, 126 flow [2023-10-12 17:38:36,986 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 39 transitions, 126 flow [2023-10-12 17:38:36,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 39 transitions, 126 flow [2023-10-12 17:38:36,996 INFO L124 PetriNetUnfolderBase]: 8/39 cut-off events. [2023-10-12 17:38:36,996 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:38:36,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 39 events. 8/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 64 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2023-10-12 17:38:36,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 582 [2023-10-12 17:38:37,207 INFO L134 LiptonReduction]: Checked pairs total: 860 [2023-10-12 17:38:37,208 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:38:37,219 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:38:37,220 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:38:37,220 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:38:37,220 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:38:37,220 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:38:37,220 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:38:37,220 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:38:37,220 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:38:37,221 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 42 places, 31 transitions, 110 flow [2023-10-12 17:38:37,224 ERROR L47 etriNetUnfolderRabin]: [1:1A:[92] $Ultimate##0-->L102: Formula: (and (= v_i1_6 v_s11_4) (= v_s11_4 v_s22_1) (= v_s12_1 v_s11_4) (= v_i2_1 v_s11_4) (= v_s11_4 v_s21_2) (= v_s11_4 0)) InVars {s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} OutVars{s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} AuxVars[] AssignedVars[][5], 2:2A:[129] L102-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0][9], 4:3A:[144] $Ultimate##0-->L27: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0][22]][5:4A:[176] L27-->L27: Formula: (and (= (+ v_s11_6 v_t11_7) v_s11_5) (= (+ v_i1_34 1) v_i1_33) (< v_i1_34 v_n_25) (= v_t11_7 (select v_x_23 v_i1_33))) InVars {n=v_n_25, i1=v_i1_34, x=v_x_23, s11=v_s11_6} OutVars{n=v_n_25, t11=v_t11_7, i1=v_i1_33, x=v_x_23, s11=v_s11_5} AuxVars[] AssignedVars[t11, i1, s11][26]] [2023-10-12 17:38:37,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:37,226 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:38:37,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:37,227 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:37,229 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:38:37,229 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 42 places, 31 transitions, 110 flow [2023-10-12 17:38:37,231 ERROR L47 etriNetUnfolderRabin]: [1:1A:[92] $Ultimate##0-->L102: Formula: (and (= v_i1_6 v_s11_4) (= v_s11_4 v_s22_1) (= v_s12_1 v_s11_4) (= v_i2_1 v_s11_4) (= v_s11_4 v_s21_2) (= v_s11_4 0)) InVars {s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} OutVars{s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} AuxVars[] AssignedVars[][5], 2:2A:[129] L102-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0][9], 4:3A:[144] $Ultimate##0-->L27: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0][22]][5:4A:[176] L27-->L27: Formula: (and (= (+ v_s11_6 v_t11_7) v_s11_5) (= (+ v_i1_34 1) v_i1_33) (< v_i1_34 v_n_25) (= v_t11_7 (select v_x_23 v_i1_33))) InVars {n=v_n_25, i1=v_i1_34, x=v_x_23, s11=v_s11_6} OutVars{n=v_n_25, t11=v_t11_7, i1=v_i1_33, x=v_x_23, s11=v_s11_5} AuxVars[] AssignedVars[t11, i1, s11][26]] [2023-10-12 17:38:37,231 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:37,231 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:38:37,231 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:37,232 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:37,236 INFO L748 eck$LassoCheckResult]: Stem: 70#[$Ultimate##0]true [92] $Ultimate##0-->L102: Formula: (and (= v_i1_6 v_s11_4) (= v_s11_4 v_s22_1) (= v_s12_1 v_s11_4) (= v_i2_1 v_s11_4) (= v_s11_4 v_s21_2) (= v_s11_4 0)) InVars {s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} OutVars{s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} AuxVars[] AssignedVars[] 72#[L102]true [129] L102-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0] 74#[L102-1, $Ultimate##0]true [144] $Ultimate##0-->L27: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0] 76#[L102-1, L53, L27]true [2023-10-12 17:38:37,236 INFO L750 eck$LassoCheckResult]: Loop: 76#[L102-1, L53, L27]true [176] L27-->L27: Formula: (and (= (+ v_s11_6 v_t11_7) v_s11_5) (= (+ v_i1_34 1) v_i1_33) (< v_i1_34 v_n_25) (= v_t11_7 (select v_x_23 v_i1_33))) InVars {n=v_n_25, i1=v_i1_34, x=v_x_23, s11=v_s11_6} OutVars{n=v_n_25, t11=v_t11_7, i1=v_i1_33, x=v_x_23, s11=v_s11_5} AuxVars[] AssignedVars[t11, i1, s11] 76#[L102-1, L53, L27]true [2023-10-12 17:38:37,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:37,241 INFO L85 PathProgramCache]: Analyzing trace with hash 122346, now seen corresponding path program 1 times [2023-10-12 17:38:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:37,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544320815] [2023-10-12 17:38:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:37,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:37,352 INFO L85 PathProgramCache]: Analyzing trace with hash 207, now seen corresponding path program 1 times [2023-10-12 17:38:37,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:37,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8178751] [2023-10-12 17:38:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:37,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:37,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:37,395 INFO L85 PathProgramCache]: Analyzing trace with hash 3792902, now seen corresponding path program 1 times [2023-10-12 17:38:37,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:37,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636648189] [2023-10-12 17:38:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:37,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:37,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:37,558 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:37,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:37,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:37,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:37,560 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:37,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:37,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:37,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-sum-2.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:38:37,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:37,562 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:37,574 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 17:38:37,582 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 17:38:37,585 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 17:38:37,588 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 17:38:37,591 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 17:38:37,595 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 17:38:37,620 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 17:38:37,624 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 17:38:37,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:37,730 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:37,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:37,734 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 17:38:37,735 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 17:38:37,791 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 17:38:37,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:37,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:37,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:37,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:37,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:37,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:37,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:37,832 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 17:38:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:37,834 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 17:38:37,837 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 17:38:37,838 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 17:38:37,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:37,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:37,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:37,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:37,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:37,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:37,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:37,870 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 17:38:37,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:37,873 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 17:38:37,884 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 17:38:37,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:37,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:37,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:37,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:37,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:37,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:37,900 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 17:38:37,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:37,917 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 17:38:37,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:37,919 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 17:38:37,925 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 17:38:37,925 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 17:38:37,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:37,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:37,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:37,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:37,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:37,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:37,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:37,959 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 17:38:37,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:37,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:37,962 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 17:38:37,972 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 17:38:37,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:37,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:37,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:37,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:37,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:37,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:37,987 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 17:38:37,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:38,003 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 17:38:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,005 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 17:38:38,007 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 17:38:38,011 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 17:38:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,049 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:38,075 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:38:38,075 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:38:38,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,079 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 17:38:38,122 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 17:38:38,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:38,135 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:38:38,136 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:38,136 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, n) = -1*i1 + 1*n Supporting invariants [] [2023-10-12 17:38:38,141 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 17:38:38,144 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:38,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:38,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:38,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:38,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:38:38,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:38,200 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 17:38:38,225 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 17:38:38,371 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 17:38:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:38:38,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 296 transitions. [2023-10-12 17:38:38,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:38:38,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:38,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:38:38,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:38,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:38:38,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:38,382 INFO L430 stractBuchiCegarLoop]: Abstraction has has 46 places, 124 transitions, 688 flow [2023-10-12 17:38:38,382 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:38:38,383 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 46 places, 124 transitions, 688 flow [2023-10-12 17:38:38,385 ERROR L47 etriNetUnfolderRabin]: [1:1A:[92] $Ultimate##0-->L102: Formula: (and (= v_i1_6 v_s11_4) (= v_s11_4 v_s22_1) (= v_s12_1 v_s11_4) (= v_i2_1 v_s11_4) (= v_s11_4 v_s21_2) (= v_s11_4 0)) InVars {s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} OutVars{s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} AuxVars[] AssignedVars[][23], 2:2A:[129] L102-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0][39], 3:3A:[138] L102-1-->$Ultimate##0: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar2_2 4) (= v_thread4Thread1of1ForFork4_thidvar0_2 4) (= v_thread4Thread1of1ForFork4_thidvar1_2 4) (= v_thread4Thread1of1ForFork4_thidvar3_2 4)) InVars {} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_2, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_2, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_2, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork4_thidvar0, thread4Thread1of1ForFork4_thidvar1, thread4Thread1of1ForFork4_thidvar2, thread4Thread1of1ForFork4_thidvar3][15], 8:4A:[150] $Ultimate##0-->L64: Formula: (and (= v_thread5Thread1of1ForFork2_thidvar1_4 5) (= v_thread5Thread1of1ForFork2_thidvar4_4 5) (= v_thread5Thread1of1ForFork2_thidvar0_4 5) (= v_thread5Thread1of1ForFork2_thidvar3_4 5) (= v_thread5Thread1of1ForFork2_thidvar2_4 5)) InVars {} OutVars{thread5Thread1of1ForFork2_thidvar4=v_thread5Thread1of1ForFork2_thidvar4_4, thread5Thread1of1ForFork2_thidvar2=v_thread5Thread1of1ForFork2_thidvar2_4, thread5Thread1of1ForFork2_thidvar3=v_thread5Thread1of1ForFork2_thidvar3_4, thread5Thread1of1ForFork2_thidvar0=v_thread5Thread1of1ForFork2_thidvar0_4, thread5Thread1of1ForFork2_thidvar1=v_thread5Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[thread5Thread1of1ForFork2_thidvar4, thread5Thread1of1ForFork2_thidvar2, thread5Thread1of1ForFork2_thidvar3, thread5Thread1of1ForFork2_thidvar0, thread5Thread1of1ForFork2_thidvar1][19]][9:5A:[179] L64-->L64: Formula: (and (< v_i2_44 v_n_33) (= v_i2_43 (+ v_i2_44 1)) (= v_s12_7 (+ v_s12_8 v_t12_9)) (= v_t12_9 (select v_x_31 v_i2_43))) InVars {n=v_n_33, s12=v_s12_8, x=v_x_31, i2=v_i2_44} OutVars{n=v_n_33, s12=v_s12_7, t12=v_t12_9, x=v_x_31, i2=v_i2_43} AuxVars[] AssignedVars[s12, t12, i2][115]] [2023-10-12 17:38:38,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:38,386 INFO L124 PetriNetUnfolderBase]: 2/8 cut-off events. [2023-10-12 17:38:38,386 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:38:38,386 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:38,387 INFO L748 eck$LassoCheckResult]: Stem: 70#[$Ultimate##0]true [92] $Ultimate##0-->L102: Formula: (and (= v_i1_6 v_s11_4) (= v_s11_4 v_s22_1) (= v_s12_1 v_s11_4) (= v_i2_1 v_s11_4) (= v_s11_4 v_s21_2) (= v_s11_4 0)) InVars {s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} OutVars{s12=v_s12_1, i1=v_i1_6, i2=v_i2_1, s21=v_s21_2, s11=v_s11_4, s22=v_s22_1} AuxVars[] AssignedVars[] 72#[L102]true [129] L102-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0] 74#[L102-1, $Ultimate##0]true [138] L102-1-->$Ultimate##0: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar2_2 4) (= v_thread4Thread1of1ForFork4_thidvar0_2 4) (= v_thread4Thread1of1ForFork4_thidvar1_2 4) (= v_thread4Thread1of1ForFork4_thidvar3_2 4)) InVars {} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_2, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_2, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_2, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_2} AuxVars[] AssignedVars[thread4Thread1of1ForFork4_thidvar0, thread4Thread1of1ForFork4_thidvar1, thread4Thread1of1ForFork4_thidvar2, thread4Thread1of1ForFork4_thidvar3] 115#[L103, $Ultimate##0, $Ultimate##0]true [150] $Ultimate##0-->L64: Formula: (and (= v_thread5Thread1of1ForFork2_thidvar1_4 5) (= v_thread5Thread1of1ForFork2_thidvar4_4 5) (= v_thread5Thread1of1ForFork2_thidvar0_4 5) (= v_thread5Thread1of1ForFork2_thidvar3_4 5) (= v_thread5Thread1of1ForFork2_thidvar2_4 5)) InVars {} OutVars{thread5Thread1of1ForFork2_thidvar4=v_thread5Thread1of1ForFork2_thidvar4_4, thread5Thread1of1ForFork2_thidvar2=v_thread5Thread1of1ForFork2_thidvar2_4, thread5Thread1of1ForFork2_thidvar3=v_thread5Thread1of1ForFork2_thidvar3_4, thread5Thread1of1ForFork2_thidvar0=v_thread5Thread1of1ForFork2_thidvar0_4, thread5Thread1of1ForFork2_thidvar1=v_thread5Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[thread5Thread1of1ForFork2_thidvar4, thread5Thread1of1ForFork2_thidvar2, thread5Thread1of1ForFork2_thidvar3, thread5Thread1of1ForFork2_thidvar0, thread5Thread1of1ForFork2_thidvar1] 117#[L103, L90, L64, $Ultimate##0]true [2023-10-12 17:38:38,387 INFO L750 eck$LassoCheckResult]: Loop: 117#[L103, L90, L64, $Ultimate##0]true [179] L64-->L64: Formula: (and (< v_i2_44 v_n_33) (= v_i2_43 (+ v_i2_44 1)) (= v_s12_7 (+ v_s12_8 v_t12_9)) (= v_t12_9 (select v_x_31 v_i2_43))) InVars {n=v_n_33, s12=v_s12_8, x=v_x_31, i2=v_i2_44} OutVars{n=v_n_33, s12=v_s12_7, t12=v_t12_9, x=v_x_31, i2=v_i2_43} AuxVars[] AssignedVars[s12, t12, i2] 117#[L103, L90, L64, $Ultimate##0]true [2023-10-12 17:38:38,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:38,387 INFO L85 PathProgramCache]: Analyzing trace with hash 3792690, now seen corresponding path program 1 times [2023-10-12 17:38:38,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:38,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690315092] [2023-10-12 17:38:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:38,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:38,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash 210, now seen corresponding path program 1 times [2023-10-12 17:38:38,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:38,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274307933] [2023-10-12 17:38:38,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:38,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:38,410 INFO L85 PathProgramCache]: Analyzing trace with hash 117573569, now seen corresponding path program 1 times [2023-10-12 17:38:38,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:38,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249380884] [2023-10-12 17:38:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:38,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:38,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:38,549 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:38,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:38,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:38,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:38,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:38,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:38,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:38,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: parallel-sum-2.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:38:38,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:38,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:38,552 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 17:38:38,554 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 17:38:38,557 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 17:38:38,560 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 17:38:38,572 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 17:38:38,575 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 17:38:38,577 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 17:38:38,580 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 17:38:38,582 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 17:38:38,585 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 17:38:38,587 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 17:38:38,589 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 17:38:38,591 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 17:38:38,594 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 17:38:38,596 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 17:38:38,753 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:38,753 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:38,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,757 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 17:38:38,768 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 17:38:38,770 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 17:38:38,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:38,786 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 17:38:38,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,787 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 17:38:38,789 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 17:38:38,791 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 17:38:38,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:38,821 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 17:38:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,823 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 17:38:38,831 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 17:38:38,832 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 17:38:38,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:38,875 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 17:38:38,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,876 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:38:38,884 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 17:38:38,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:38:38,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:38,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:38:38,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,919 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:38:38,931 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 17:38:38,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:38,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:38,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:38,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:38,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:38:38,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:38:38,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:38:38,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:38,970 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:38:38,970 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:38:38,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:38,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:38,977 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:38:38,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:38:38,981 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:38,998 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:38:38,998 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:38,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, n) = -1*i2 + 1*n Supporting invariants [] [2023-10-12 17:38:39,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-10-12 17:38:39,005 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:39,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:39,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:39,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:39,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:38:39,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:39,041 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 17:38:39,042 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 17:38:39,149 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 17:38:39,150 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 17:38:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 296 transitions. [2023-10-12 17:38:39,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:38:39,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:39,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:38:39,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:39,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 296 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:38:39,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:39,155 INFO L430 stractBuchiCegarLoop]: Abstraction has has 50 places, 496 transitions, 3744 flow [2023-10-12 17:38:39,155 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:38:39,155 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 50 places, 496 transitions, 3744 flow [2023-10-12 17:38:39,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:38:39,343 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 17:38:39,512 INFO L124 PetriNetUnfolderBase]: 944/1243 cut-off events. [2023-10-12 17:38:39,512 INFO L125 PetriNetUnfolderBase]: For 469/469 co-relation queries the response was YES. [2023-10-12 17:38:39,512 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:38:39,517 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:38:39 BoogieIcfgContainer [2023-10-12 17:38:39,518 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:38:39,518 INFO L158 Benchmark]: Toolchain (without parser) took 3095.41ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 137.6MB in the beginning and 190.1MB in the end (delta: -52.4MB). Peak memory consumption was 89.4MB. Max. memory is 8.0GB. [2023-10-12 17:38:39,519 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 187.7MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:39,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.86ms. Allocated memory is still 187.7MB. Free memory was 137.6MB in the beginning and 136.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:38:39,520 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 187.7MB. Free memory was 136.0MB in the beginning and 134.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:39,520 INFO L158 Benchmark]: RCFGBuilder took 264.48ms. Allocated memory is still 187.7MB. Free memory was 134.8MB in the beginning and 123.1MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:38:39,521 INFO L158 Benchmark]: BuchiAutomizer took 2767.07ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 123.1MB in the beginning and 190.1MB in the end (delta: -67.0MB). Peak memory consumption was 74.8MB. Max. memory is 8.0GB. [2023-10-12 17:38:39,522 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 0.26ms. Allocated memory is still 187.7MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.86ms. Allocated memory is still 187.7MB. Free memory was 137.6MB in the beginning and 136.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 187.7MB. Free memory was 136.0MB in the beginning and 134.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 264.48ms. Allocated memory is still 187.7MB. Free memory was 134.8MB in the beginning and 123.1MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 2767.07ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 123.1MB in the beginning and 190.1MB in the end (delta: -67.0MB). Peak memory consumption was 74.8MB. 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 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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, 276 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 134 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp46 ukn92 mio100 lsp50 div100 bol100 ite100 ukn100 eq216 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 95ms 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, 50 PlacesBefore, 42 PlacesAfterwards, 39 TransitionsBefore, 31 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 860 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 829, independent: 825, independent conditional: 0, independent unconditional: 825, 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: 310, independent: 306, independent conditional: 0, independent unconditional: 306, 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: 310, independent: 306, independent conditional: 0, independent unconditional: 306, 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: 25, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 829, independent: 519, independent conditional: 0, independent unconditional: 519, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 310, unknown conditional: 0, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 144, Positive conditional cache size: 0, Positive unconditional cache size: 144, 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 17:38:39,552 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...