/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:11:53,158 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:11:53,234 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 17:11:53,263 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:11:53,263 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:11:53,264 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:11:53,265 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:11:53,265 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:11:53,268 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:11:53,268 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:11:53,268 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:11:53,268 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:11:53,269 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:11:53,270 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:11:53,270 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:11:53,272 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:11:53,273 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:11:53,273 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:11:53,273 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:11:53,274 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:11:53,274 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:11:53,275 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:11:53,275 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:11:53,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:11:53,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:11:53,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:11:53,479 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:11:53,479 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:11:53,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl [2023-10-12 17:11:53,481 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/NonAtomicIncrement_2Threads_Loop.bpl' [2023-10-12 17:11:53,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:11:53,497 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:11:53,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:11:53,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:11:53,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,519 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:11:53,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:11:53,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:11:53,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:11:53,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:11:53,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:11:53,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:53,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:53,562 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 17:11:53,573 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 17:11:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2023-10-12 17:11:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2023-10-12 17:11:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:11:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:11:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2023-10-12 17:11:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2023-10-12 17:11:53,602 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 17:11:53,640 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:11:53,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:11:53,696 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:11:53,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:11:53,701 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:11:53,702 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:53 BoogieIcfgContainer [2023-10-12 17:11:53,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:11:53,703 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:11:53,703 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:11:53,705 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:11:53,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:53,706 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/2) ... [2023-10-12 17:11:53,707 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b7bbb6 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:11:53, skipping insertion in model container [2023-10-12 17:11:53,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:53,707 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:53" (2/2) ... [2023-10-12 17:11:53,708 INFO L332 chiAutomizerObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2023-10-12 17:11:53,771 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:11:53,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 78 flow [2023-10-12 17:11:53,807 INFO L124 PetriNetUnfolderBase]: 3/24 cut-off events. [2023-10-12 17:11:53,807 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:11:53,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 24 events. 3/24 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. [2023-10-12 17:11:53,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 28 transitions, 78 flow [2023-10-12 17:11:53,823 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 24 transitions, 66 flow [2023-10-12 17:11:53,825 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:11:53,836 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 24 transitions, 66 flow [2023-10-12 17:11:53,838 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 24 transitions, 66 flow [2023-10-12 17:11:53,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 24 transitions, 66 flow [2023-10-12 17:11:53,843 INFO L124 PetriNetUnfolderBase]: 3/24 cut-off events. [2023-10-12 17:11:53,843 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:11:53,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 24 events. 3/24 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 19. Up to 3 conditions per place. [2023-10-12 17:11:53,844 INFO L119 LiptonReduction]: Number of co-enabled transitions 140 [2023-10-12 17:11:54,002 INFO L134 LiptonReduction]: Checked pairs total: 180 [2023-10-12 17:11:54,002 INFO L136 LiptonReduction]: Total number of compositions: 7 [2023-10-12 17:11:54,016 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:11:54,016 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:11:54,016 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:11:54,016 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:11:54,016 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:11:54,018 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:11:54,018 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:11:54,018 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:11:54,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:11:54,041 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 18 [2023-10-12 17:11:54,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:54,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:54,045 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:11:54,045 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:11:54,046 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:11:54,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 32 states, but on-demand construction may add more states [2023-10-12 17:11:54,050 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 18 [2023-10-12 17:11:54,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:54,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:54,052 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:11:54,052 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:11:54,055 INFO L748 eck$LassoCheckResult]: Stem: 32#[$Ultimate##0]don't care [44] $Ultimate##0-->L19: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 35#[L19]don't care [68] L19-->$Ultimate##0: Formula: (= v_fistIncrementProcessThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_6, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_12, fistIncrementProcessThread1of1ForFork0_thidvar0=v_fistIncrementProcessThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx, fistIncrementProcessThread1of1ForFork0_i, fistIncrementProcessThread1of1ForFork0_thidvar0] 37#[L19-1, $Ultimate##0]don't care [52] $Ultimate##0-->L34-1: Formula: (= 0 v_fistIncrementProcessThread1of1ForFork0_i_1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_1} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i] 39#[L19-1, L34-1]don't care [2023-10-12 17:11:54,056 INFO L750 eck$LassoCheckResult]: Loop: 39#[L19-1, L34-1]don't care [81] L34-1-->L36: Formula: (and (= v_fistIncrementProcessThread1of1ForFork0_localx_15 v_x_27) (< v_fistIncrementProcessThread1of1ForFork0_i_15 3)) InVars {fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_15, x=v_x_27} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_15, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_15, x=v_x_27} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx] 45#[L19-1, L36]don't care [82] L36-->L34-1: Formula: (and (= v_x_33 (+ v_fistIncrementProcessThread1of1ForFork0_localx_19 1)) (= v_fistIncrementProcessThread1of1ForFork0_i_17 (+ v_fistIncrementProcessThread1of1ForFork0_i_18 1))) InVars {fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_19, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_18} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_19, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_17, x=v_x_33} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_i, x] 39#[L19-1, L34-1]don't care [2023-10-12 17:11:54,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash 74235, now seen corresponding path program 1 times [2023-10-12 17:11:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4585094] [2023-10-12 17:11:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,131 INFO L85 PathProgramCache]: Analyzing trace with hash 3554, now seen corresponding path program 1 times [2023-10-12 17:11:54,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121240197] [2023-10-12 17:11:54,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash 71342428, now seen corresponding path program 1 times [2023-10-12 17:11:54,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213113914] [2023-10-12 17:11:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,236 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:54,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:54,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:54,236 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:54,237 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:11:54,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:54,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:54,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_BEv2_Iteration1_Loop [2023-10-12 17:11:54,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:54,237 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:54,248 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 17:11:54,257 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 17:11:54,303 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:54,304 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:11:54,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,310 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 17:11:54,316 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 17:11:54,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:11:54,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:11:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,483 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 17:11:54,484 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 17:11:54,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:11:54,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-10-12 17:11:54,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fistIncrementProcessThread1of1ForFork0_localx=2, x=0} Honda state: {fistIncrementProcessThread1of1ForFork0_localx=2, x=0} Generalized eigenvectors: [{fistIncrementProcessThread1of1ForFork0_localx=1, x=0}, {fistIncrementProcessThread1of1ForFork0_localx=-4, x=0}, {fistIncrementProcessThread1of1ForFork0_localx=1, x=1}] Lambdas: [4, 0, 1] Nus: [1, 0] [2023-10-12 17:11:54,627 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 17:11:54,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,638 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 17:11:54,639 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 17:11:54,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:11:54,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,650 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 17:11:54,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,652 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 17:11:54,653 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 17:11:54,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:11:54,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,762 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:11:54,767 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 17:11:54,767 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:54,767 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:54,767 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:54,767 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:54,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:11:54,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:54,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:54,768 INFO L133 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_BEv2_Iteration1_Loop [2023-10-12 17:11:54,768 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:54,768 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:54,770 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 17:11:54,781 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 17:11:54,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:54,814 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:11:54,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,817 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 17:11:54,826 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 17:11:54,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:54,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:54,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:54,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:54,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:54,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:54,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:54,841 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 17:11:54,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:11:54,858 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 17:11:54,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,859 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 17:11:54,867 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 17:11:54,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:54,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:54,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:54,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:54,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:54,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:54,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:54,881 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 17:11:54,881 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:11:54,884 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:11:54,884 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:11:54,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,925 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 17:11:54,926 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 17:11:54,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:11:54,959 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:11:54,959 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:11:54,960 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(fistIncrementProcessThread1of1ForFork0_i) = -2*fistIncrementProcessThread1of1ForFork0_i + 5 Supporting invariants [] [2023-10-12 17:11:54,962 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 17:11:54,964 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:11:54,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,031 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 17:11:55,071 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 17:11:55,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 32 states, but on-demand construction may add more states Second 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 17:11:55,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 32 states, but on-demand construction may add more states. Second 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 82 states and 197 transitions. Complement of second has 6 states. [2023-10-12 17:11:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:11:55,162 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 17:11:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2023-10-12 17:11:55,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:11:55,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:11:55,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:11:55,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 197 transitions. [2023-10-12 17:11:55,177 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-10-12 17:11:55,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 43 states and 102 transitions. [2023-10-12 17:11:55,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-10-12 17:11:55,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-10-12 17:11:55,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 102 transitions. [2023-10-12 17:11:55,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:11:55,186 INFO L219 hiAutomatonCegarLoop]: Abstraction has 43 states and 102 transitions. [2023-10-12 17:11:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 102 transitions. [2023-10-12 17:11:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2023-10-12 17:11:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 2.4857142857142858) internal successors, (87), 34 states have internal predecessors, (87), 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 17:11:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 87 transitions. [2023-10-12 17:11:55,206 INFO L241 hiAutomatonCegarLoop]: Abstraction has 35 states and 87 transitions. [2023-10-12 17:11:55,206 INFO L430 stractBuchiCegarLoop]: Abstraction has 35 states and 87 transitions. [2023-10-12 17:11:55,207 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:11:55,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 87 transitions. [2023-10-12 17:11:55,207 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-10-12 17:11:55,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:55,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:55,208 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:11:55,208 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-10-12 17:11:55,208 INFO L748 eck$LassoCheckResult]: Stem: 282#[$Ultimate##0]don't care [44] $Ultimate##0-->L19: Formula: (= v_x_5 0) InVars {} OutVars{x=v_x_5} AuxVars[] AssignedVars[x] 284#[L19]don't care [68] L19-->$Ultimate##0: Formula: (= v_fistIncrementProcessThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{fistIncrementProcessThread1of1ForFork0_localx=v_fistIncrementProcessThread1of1ForFork0_localx_6, fistIncrementProcessThread1of1ForFork0_i=v_fistIncrementProcessThread1of1ForFork0_i_12, fistIncrementProcessThread1of1ForFork0_thidvar0=v_fistIncrementProcessThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[fistIncrementProcessThread1of1ForFork0_localx, fistIncrementProcessThread1of1ForFork0_i, fistIncrementProcessThread1of1ForFork0_thidvar0] 272#[L19-1, $Ultimate##0]don't care [71] L19-1-->$Ultimate##0: Formula: (= v_secondIncrementProcessThread1of1ForFork1_thidvar0_2 2) InVars {} OutVars{secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_6, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_12, secondIncrementProcessThread1of1ForFork1_thidvar0=v_secondIncrementProcessThread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_localx, secondIncrementProcessThread1of1ForFork1_i, secondIncrementProcessThread1of1ForFork1_thidvar0] 274#[$Ultimate##0, L20, $Ultimate##0]don't care [59] $Ultimate##0-->L50-1: Formula: (= v_secondIncrementProcessThread1of1ForFork1_i_1 0) InVars {} OutVars{secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_1} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_i] 260#[L50-1, $Ultimate##0, L20]don't care [2023-10-12 17:11:55,208 INFO L750 eck$LassoCheckResult]: Loop: 260#[L50-1, $Ultimate##0, L20]don't care [78] L50-1-->L52: Formula: (and (< v_secondIncrementProcessThread1of1ForFork1_i_15 3) (= v_x_20 v_secondIncrementProcessThread1of1ForFork1_localx_13)) InVars {x=v_x_20, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_15} OutVars{secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_13, x=v_x_20, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_15} AuxVars[] AssignedVars[secondIncrementProcessThread1of1ForFork1_localx] 264#[L52, L20, $Ultimate##0]don't care [79] L52-->L50-1: Formula: (and (= v_secondIncrementProcessThread1of1ForFork1_i_17 (+ v_secondIncrementProcessThread1of1ForFork1_i_18 1)) (= v_x_25 (+ v_secondIncrementProcessThread1of1ForFork1_localx_17 1))) InVars {secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_17, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_18} OutVars{secondIncrementProcessThread1of1ForFork1_localx=v_secondIncrementProcessThread1of1ForFork1_localx_17, x=v_x_25, secondIncrementProcessThread1of1ForFork1_i=v_secondIncrementProcessThread1of1ForFork1_i_17} AuxVars[] AssignedVars[x, secondIncrementProcessThread1of1ForFork1_i] 260#[L50-1, $Ultimate##0, L20]don't care [2023-10-12 17:11:55,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2301933, now seen corresponding path program 1 times [2023-10-12 17:11:55,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:55,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843240578] [2023-10-12 17:11:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:55,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:55,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 3458, now seen corresponding path program 1 times [2023-10-12 17:11:55,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:55,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272502192] [2023-10-12 17:11:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:55,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:55,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2082807186, now seen corresponding path program 1 times [2023-10-12 17:11:55,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:55,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428618113] [2023-10-12 17:11:55,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:55,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:55,258 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:55,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:55,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:55,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:55,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:11:55,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:55,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:55,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_BEv2_Iteration2_Loop [2023-10-12 17:11:55,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:55,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:55,260 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 17:11:55,264 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 17:11:55,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:55,294 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:11:55,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,295 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 17:11:55,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:11:55,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:55,328 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 17:11:55,341 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 17:11:55,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,344 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 17:11:55,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:11:55,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:55,360 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 17:11:55,376 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:11:55,381 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 17:11:55,381 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:55,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:55,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:55,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:55,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:11:55,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:55,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:55,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: NonAtomicIncrement_2Threads_Loop.bpl_BEv2_Iteration2_Loop [2023-10-12 17:11:55,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:55,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:55,383 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 17:11:55,389 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 17:11:55,414 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:55,414 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:11:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,419 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 17:11:55,419 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 17:11:55,425 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 17:11:55,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:55,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:55,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:55,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:55,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:55,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:55,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:55,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:11:55,442 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 17:11:55,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,445 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 17:11:55,447 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 17:11:55,449 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 17:11:55,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:55,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:55,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:55,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:55,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:55,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:55,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:55,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:11:55,466 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:11:55,466 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:11:55,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,469 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 17:11:55,469 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 17:11:55,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:11:55,470 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:11:55,470 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:11:55,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(secondIncrementProcessThread1of1ForFork1_i) = -2*secondIncrementProcessThread1of1ForFork1_i + 5 Supporting invariants [] [2023-10-12 17:11:55,475 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 17:11:55,476 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:11:55,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,522 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 17:11:55,522 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 17:11:55,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 87 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:11:55,553 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 87 transitions. cyclomatic complexity: 60. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 82 states and 201 transitions. Complement of second has 6 states. [2023-10-12 17:11:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:11:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:11:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-10-12 17:11:55,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:11:55,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:11:55,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:11:55,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 201 transitions. [2023-10-12 17:11:55,557 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:11:55,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 0 states and 0 transitions. [2023-10-12 17:11:55,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:11:55,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:11:55,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:11:55,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:11:55,557 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,557 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,558 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,558 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:11:55,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:11:55,558 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:11:55,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:11:55,562 INFO L201 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:11:55 BoogieIcfgContainer [2023-10-12 17:11:55,562 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:11:55,563 INFO L158 Benchmark]: Toolchain (without parser) took 2065.48ms. Allocated memory was 209.7MB in the beginning and 291.5MB in the end (delta: 81.8MB). Free memory was 155.6MB in the beginning and 194.1MB in the end (delta: -38.4MB). Peak memory consumption was 42.8MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,563 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 209.7MB. Free memory was 156.7MB in the beginning and 156.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:55,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.95ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 154.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,564 INFO L158 Benchmark]: Boogie Preprocessor took 14.41ms. Allocated memory is still 209.7MB. Free memory was 154.0MB in the beginning and 153.0MB in the end (delta: 993.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,564 INFO L158 Benchmark]: RCFGBuilder took 165.83ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 144.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,564 INFO L158 Benchmark]: BuchiAutomizer took 1859.29ms. Allocated memory was 209.7MB in the beginning and 291.5MB in the end (delta: 81.8MB). Free memory was 143.9MB in the beginning and 194.1MB in the end (delta: -50.1MB). Peak memory consumption was 31.2MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,565 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 0.23ms. Allocated memory is still 209.7MB. Free memory was 156.7MB in the beginning and 156.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.95ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 154.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.41ms. Allocated memory is still 209.7MB. Free memory was 154.0MB in the beginning and 153.0MB in the end (delta: 993.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 165.83ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 144.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1859.29ms. Allocated memory was 209.7MB in the beginning and 291.5MB in the end (delta: 81.8MB). Free memory was 143.9MB in the beginning and 194.1MB in the end (delta: -50.1MB). Peak memory consumption was 31.2MB. 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 5 + i * -2 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 5 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf89 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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, 27 PlacesBefore, 20 PlacesAfterwards, 24 TransitionsBefore, 17 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 180 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 143, independent: 133, independent conditional: 0, independent unconditional: 133, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 88, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 88, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 88, unknown conditional: 0, unknown unconditional: 88] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:11:55,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:11:55,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:11:55,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...