/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_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:32:27,244 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:32:27,282 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 17:32:27,297 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:32:27,297 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:32:27,298 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:32:27,298 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:32:27,299 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:32:27,299 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:32:27,299 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:32:27,299 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:32:27,299 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:32:27,300 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:32:27,300 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:32:27,300 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:32:27,300 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:32:27,301 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:32:27,301 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:32:27,301 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:32:27,301 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:32:27,301 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:32:27,302 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:32:27,302 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:32:27,302 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:32:27,303 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:32:27,303 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:32:27,303 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:32:27,303 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:32:27,304 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:32:27,304 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:32:27,304 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:32:27,304 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:32:27,304 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:32:27,305 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:32:27,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:32:27,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:32:27,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:32:27,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:32:27,535 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:32:27,537 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:32:27,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl [2023-10-12 17:32:27,538 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl' [2023-10-12 17:32:27,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:32:27,557 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:32:27,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:32:27,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:32:27,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:32:27,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,576 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:32:27,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:32:27,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:32:27,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:32:27,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:32:27,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:32:27,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:32:27,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:32:27,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:32:27,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/1) ... [2023-10-12 17:32:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:27,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:27,627 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 17:32:27,645 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 17:32:27,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:32:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:32:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:32:27,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:32:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:32:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:32:27,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:32:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:32:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:32:27,661 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 17:32:27,694 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:32:27,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:32:27,759 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:32:27,764 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:32:27,764 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:32:27,765 INFO L201 PluginConnector]: Adding new model easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:27 BoogieIcfgContainer [2023-10-12 17:32:27,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:32:27,766 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:32:27,766 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:32:27,769 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:32:27,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:32:27,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:32:27" (1/2) ... [2023-10-12 17:32:27,770 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dc2a160 and model type easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:32:27, skipping insertion in model container [2023-10-12 17:32:27,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:32:27,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:27" (2/2) ... [2023-10-12 17:32:27,792 INFO L332 chiAutomizerObserver]: Analyzing ICFG easy1.wvr.bpl [2023-10-12 17:32:27,847 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:32:27,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 58 flow [2023-10-12 17:32:27,884 INFO L124 PetriNetUnfolderBase]: 2/17 cut-off events. [2023-10-12 17:32:27,885 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:32:27,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2023-10-12 17:32:27,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 21 transitions, 58 flow [2023-10-12 17:32:27,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 46 flow [2023-10-12 17:32:27,896 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:32:27,914 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 46 flow [2023-10-12 17:32:27,916 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 46 flow [2023-10-12 17:32:27,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 17 transitions, 46 flow [2023-10-12 17:32:27,920 INFO L124 PetriNetUnfolderBase]: 2/17 cut-off events. [2023-10-12 17:32:27,920 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:32:27,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2023-10-12 17:32:27,922 INFO L119 LiptonReduction]: Number of co-enabled transitions 48 [2023-10-12 17:32:28,036 INFO L134 LiptonReduction]: Checked pairs total: 37 [2023-10-12 17:32:28,036 INFO L136 LiptonReduction]: Total number of compositions: 7 [2023-10-12 17:32:28,050 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:32:28,050 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:32:28,050 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:32:28,050 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:32:28,050 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:32:28,050 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:32:28,050 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:32:28,050 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:32:28,051 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:32:28,054 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:32:28,054 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:32:28,054 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:32:28,054 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:32:28,056 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:32:28,056 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:32:28,060 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:32:28,061 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:32:28,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:32:28,061 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:32:28,065 INFO L748 eck$LassoCheckResult]: Stem: 28#[$Ultimate##0]true [32] $Ultimate##0-->L32: Formula: (and (= v_x2_6 v_x1_6) (<= 0 v_x1_6)) InVars {x1=v_x1_6, x2=v_x2_6} OutVars{x1=v_x1_6, x2=v_x2_6} AuxVars[] AssignedVars[] 30#[L32]true [53] L32-->L15: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0] 32#[L15, L32-1]true [2023-10-12 17:32:28,066 INFO L750 eck$LassoCheckResult]: Loop: 32#[L15, L32-1]true [58] L15-->L15: Formula: (and (= v_x1_9 (+ v_x1_10 1)) (< v_x1_10 10000)) InVars {x1=v_x1_10} OutVars{x1=v_x1_9} AuxVars[] AssignedVars[x1] 32#[L15, L32-1]true [2023-10-12 17:32:28,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2006, now seen corresponding path program 1 times [2023-10-12 17:32:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280708794] [2023-10-12 17:32:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,150 INFO L85 PathProgramCache]: Analyzing trace with hash 89, now seen corresponding path program 1 times [2023-10-12 17:32:28,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998680563] [2023-10-12 17:32:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,161 INFO L85 PathProgramCache]: Analyzing trace with hash 62244, now seen corresponding path program 1 times [2023-10-12 17:32:28,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34885396] [2023-10-12 17:32:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,224 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:32:28,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:32:28,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:32:28,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:32:28,225 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:32:28,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:32:28,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:32:28,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: easy1.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:32:28,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:32:28,226 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:32:28,244 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 17:32:28,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:32:28,272 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:32:28,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,277 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 17:32:28,279 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 17:32:28,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:32:28,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:32:28,305 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 17:32:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,306 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 17:32:28,309 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 17:32:28,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:32:28,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:32:28,339 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:32:28,342 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 17:32:28,343 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:32:28,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:32:28,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:32:28,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:32:28,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:32:28,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:32:28,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:32:28,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: easy1.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:32:28,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:32:28,344 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:32:28,345 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 17:32:28,393 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:32:28,396 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:32:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,398 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 17:32:28,400 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 17:32:28,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:32:28,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:32:28,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:32:28,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:32:28,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:32:28,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:32:28,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:32:28,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:32:28,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:32:28,425 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:32:28,425 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:32:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,428 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 17:32:28,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:32:28,469 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:32:28,470 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:32:28,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1) = -2*x1 + 19999 Supporting invariants [] [2023-10-12 17:32:28,470 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 17:32:28,473 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 17:32:28,476 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:32:28,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:28,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:32:28,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:28,516 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:32:28,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:28,517 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 17:32:28,540 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 17:32:28,541 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. 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 17:32:28,589 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. 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 5 states and 160 transitions. [2023-10-12 17:32:28,590 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:32:28,592 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:32:28,593 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 17:32:28,597 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 17:32:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2023-10-12 17:32:28,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:32:28,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:28,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:32:28,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:28,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 112 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:32:28,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:28,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:32:28,609 INFO L124 PetriNetUnfolderBase]: 31/63 cut-off events. [2023-10-12 17:32:28,609 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-10-12 17:32:28,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 63 events. 31/63 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 147 event pairs, 2 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 96. Up to 21 conditions per place. [2023-10-12 17:32:28,610 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:32:28,612 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 26 places, 124 transitions, 640 flow [2023-10-12 17:32:28,612 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 124 transitions, 640 flow [2023-10-12 17:32:28,612 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:32:28,612 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:32:28,617 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:32:28,617 INFO L124 PetriNetUnfolderBase]: 16/28 cut-off events. [2023-10-12 17:32:28,617 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:32:28,617 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:32:28,617 INFO L748 eck$LassoCheckResult]: Stem: 28#[$Ultimate##0]true [32] $Ultimate##0-->L32: Formula: (and (= v_x2_6 v_x1_6) (<= 0 v_x1_6)) InVars {x1=v_x1_6, x2=v_x2_6} OutVars{x1=v_x1_6, x2=v_x2_6} AuxVars[] AssignedVars[] 30#[L32]true [53] L32-->L15: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_thidvar0] 32#[L15, L32-1]true [50] L32-1-->L23: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_2) (= 2 v_thread2Thread1of1ForFork0_thidvar1_2)) InVars {} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_thidvar0] 77#[L15, L33, L23]true [2023-10-12 17:32:28,618 INFO L750 eck$LassoCheckResult]: Loop: 77#[L15, L33, L23]true [60] L23-->L23: Formula: (and (< v_x2_10 10000) (= v_x2_9 (+ v_x2_10 1))) InVars {x2=v_x2_10} OutVars{x2=v_x2_9} AuxVars[] AssignedVars[x2] 77#[L15, L33, L23]true [60] L23-->L23: Formula: (and (< v_x2_10 10000) (= v_x2_9 (+ v_x2_10 1))) InVars {x2=v_x2_10} OutVars{x2=v_x2_9} AuxVars[] AssignedVars[x2] 77#[L15, L33, L23]true [2023-10-12 17:32:28,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,618 INFO L85 PathProgramCache]: Analyzing trace with hash 62236, now seen corresponding path program 1 times [2023-10-12 17:32:28,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065926131] [2023-10-12 17:32:28,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2881, now seen corresponding path program 1 times [2023-10-12 17:32:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139980718] [2023-10-12 17:32:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash 59810716, now seen corresponding path program 1 times [2023-10-12 17:32:28,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:32:28,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59763002] [2023-10-12 17:32:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:32:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:32:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:32:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:32:28,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:32:28,662 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:32:28,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:32:28,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:32:28,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:32:28,663 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:32:28,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:32:28,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:32:28,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: easy1.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:32:28,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:32:28,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:32:28,664 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 17:32:28,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:32:28,677 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:32:28,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,679 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 17:32:28,681 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 17:32:28,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:32:28,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:32:28,693 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 17:32:28,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:28,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:28,695 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 17:32:28,697 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 17:32:28,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:32:28,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:32:40,738 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-10-12 17:32:40,742 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 17:32:40,742 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:32:40,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:32:40,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:32:40,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:32:40,743 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:32:40,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:40,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:32:40,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:32:40,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: easy1.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:32:40,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:32:40,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:32:40,744 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 17:32:40,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:32:40,760 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:32:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:40,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:40,779 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 17:32:40,780 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 17:32:40,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:32:40,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:32:40,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:32:40,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:32:40,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:32:40,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:32:40,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:32:40,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:32:40,806 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:32:40,809 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:32:40,809 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:32:40,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:32:40,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:32:40,819 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 17:32:40,847 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 17:32:40,850 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:32:40,850 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:32:40,850 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:32:40,850 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2) = -1*x2 + 9999 Supporting invariants [] [2023-10-12 17:32:40,853 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 17:32:40,854 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:32:40,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:32:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:40,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:32:40,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:32:40,882 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:32:40,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:32:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:32:40,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:32:40,901 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:32:41,007 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 211 transitions. [2023-10-12 17:32:41,007 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:32:41,036 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:32:41,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:32:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:32:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2023-10-12 17:32:41,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 140 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:32:41,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:41,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 140 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:32:41,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:41,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 140 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:32:41,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:32:41,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 1864 transitions, 13488 flow [2023-10-12 17:32:41,097 INFO L124 PetriNetUnfolderBase]: 67/136 cut-off events. [2023-10-12 17:32:41,098 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-10-12 17:32:41,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 136 events. 67/136 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 474 event pairs, 2 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 240. Up to 48 conditions per place. [2023-10-12 17:32:41,098 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 40 places, 1864 transitions, 13488 flow [2023-10-12 17:32:41,118 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 40 places, 1864 transitions, 13488 flow [2023-10-12 17:32:41,119 INFO L430 stractBuchiCegarLoop]: Abstraction has has 40 places, 1864 transitions, 13488 flow [2023-10-12 17:32:41,119 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:32:41,119 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 1864 transitions, 13488 flow [2023-10-12 17:32:41,177 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 17:32:41,194 INFO L124 PetriNetUnfolderBase]: 67/136 cut-off events. [2023-10-12 17:32:41,194 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-10-12 17:32:41,194 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:32:41,198 INFO L201 PluginConnector]: Adding new model easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:32:41 BoogieIcfgContainer [2023-10-12 17:32:41,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:32:41,201 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:32:41,202 INFO L158 Benchmark]: Toolchain (without parser) took 13644.45ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 131.5MB in the beginning and 185.4MB in the end (delta: -53.9MB). Peak memory consumption was 48.9MB. Max. memory is 8.0GB. [2023-10-12 17:32:41,202 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.51ms. Allocated memory is still 184.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:32:41,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.84ms. Allocated memory is still 184.5MB. Free memory was 131.5MB in the beginning and 154.0MB in the end (delta: -22.4MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2023-10-12 17:32:41,203 INFO L158 Benchmark]: Boogie Preprocessor took 12.08ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 152.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:32:41,203 INFO L158 Benchmark]: RCFGBuilder took 167.19ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 152.9MB in the beginning and 188.6MB in the end (delta: -35.8MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2023-10-12 17:32:41,203 INFO L158 Benchmark]: BuchiAutomizer took 13435.07ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 185.4MB in the end (delta: 2.7MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. [2023-10-12 17:32:41,205 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 0.51ms. Allocated memory is still 184.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.84ms. Allocated memory is still 184.5MB. Free memory was 131.5MB in the beginning and 154.0MB in the end (delta: -22.4MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.08ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 152.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 167.19ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 152.9MB in the beginning and 188.6MB in the end (delta: -35.8MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 13435.07ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 185.4MB in the end (delta: 2.7MB). Peak memory consumption was 67.0MB. 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 -2 * x1 + 19999 and consists of 4 locations. One deterministic module has affine ranking function 9999 + -1 * x2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 12.6s. Construction of modules took 0.0s. 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: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 109 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 65 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 73ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s InitialAbstractionConstructionTime: 0.1s - 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: 0.1s, 22 PlacesBefore, 16 PlacesAfterwards, 17 TransitionsBefore, 11 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 37 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, 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 17:32:41,239 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...