/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:23:39,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:23:39,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:23:39,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:23:39,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:23:39,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:23:39,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:23:39,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:23:39,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:23:39,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:23:39,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:23:39,877 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:23:39,878 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:23:39,878 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:23:39,879 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:23:39,879 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:23:39,879 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:23:39,879 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:23:39,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:23:39,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:23:39,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:23:39,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:23:39,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:23:39,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:23:39,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:23:39,882 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:23:39,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:23:39,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:23:39,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:23:39,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:23:39,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:23:39,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:23:39,883 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:23:39,883 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:23:40,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:23:40,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:23:40,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:23:40,177 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:23:40,178 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:23:40,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl [2024-02-09 23:23:40,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_mult.bpl' [2024-02-09 23:23:40,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:23:40,218 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:23:40,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:23:40,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:23:40,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:23:40,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,243 INFO L138 Inliner]: procedures = 2, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:23:40,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:23:40,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:23:40,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:23:40,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:23:40,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:23:40,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:23:40,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:23:40,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:23:40,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/1) ... [2024-02-09 23:23:40,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:40,315 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) [2024-02-09 23:23:40,322 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 [2024-02-09 23:23:40,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2024-02-09 23:23:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2024-02-09 23:23:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2024-02-09 23:23:40,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:23:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:23:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:23:40,352 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:23:40,390 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:23:40,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:23:40,471 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:23:40,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:23:40,476 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:23:40,477 INFO L201 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:23:40 BoogieIcfgContainer [2024-02-09 23:23:40,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:23:40,478 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:23:40,478 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:23:40,483 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:23:40,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:23:40,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:23:40" (1/2) ... [2024-02-09 23:23:40,485 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dcb04bf and model type concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:23:40, skipping insertion in model container [2024-02-09 23:23:40,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:23:40,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:23:40" (2/2) ... [2024-02-09 23:23:40,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG concurrent_mult.bpl [2024-02-09 23:23:40,530 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:23:40,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 68 flow [2024-02-09 23:23:40,569 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-02-09 23:23:40,569 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:23:40,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 17. Up to 2 conditions per place. [2024-02-09 23:23:40,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 27 transitions, 68 flow [2024-02-09 23:23:40,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 23 transitions, 58 flow [2024-02-09 23:23:40,585 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:23:40,585 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:23:40,586 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:23:40,586 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:23:40,586 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:23:40,586 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:23:40,587 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:23:40,587 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:23:40,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:23:40,625 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 39 [2024-02-09 23:23:40,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:40,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:40,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:40,629 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:23:40,629 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:23:40,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 69 states, but on-demand construction may add more states [2024-02-09 23:23:40,632 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 39 [2024-02-09 23:23:40,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:40,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:40,633 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-02-09 23:23:40,633 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:23:40,636 INFO L748 eck$LassoCheckResult]: Stem: 33#[$Ultimate##0]don't care [31] $Ultimate##0-->L17: Formula: (<= 0 v_ULTIMATE.start_x_1) InVars {ULTIMATE.start_x=v_ULTIMATE.start_x_1} OutVars{ULTIMATE.start_x=v_ULTIMATE.start_x_1} AuxVars[] AssignedVars[] 36#[L17]don't care [25] L17-->L19: Formula: (<= 0 v_ULTIMATE.start_y_1) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_1} OutVars{ULTIMATE.start_y=v_ULTIMATE.start_y_1} AuxVars[] AssignedVars[] 38#[L19]don't care [52] L19-->$Ultimate##0: Formula: (and (= v_multThread1of1ForFork0_a_6 v_ULTIMATE.start_x_3) (= v_multThread1of1ForFork0_thidvar0_2 1) (= v_multThread1of1ForFork0_b_4 v_ULTIMATE.start_y_3)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3} OutVars{multThread1of1ForFork0_thidvar0=v_multThread1of1ForFork0_thidvar0_2, multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_4, multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_6, ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_8, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_12} AuxVars[] AssignedVars[multThread1of1ForFork0_thidvar0, multThread1of1ForFork0_b, multThread1of1ForFork0_a, multThread1of1ForFork0_z, multThread1of1ForFork0_i] 40#[L19-1, $Ultimate##0]don't care [36] $Ultimate##0-->L31: Formula: (= v_multThread1of1ForFork0_z_1 0) InVars {} OutVars{multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_1} AuxVars[] AssignedVars[multThread1of1ForFork0_z] 42#[L19-1, L31]don't care [37] L31-->L32-1: Formula: (= v_multThread1of1ForFork0_i_1 0) InVars {} OutVars{multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_1} AuxVars[] AssignedVars[multThread1of1ForFork0_i] 46#[L19-1, L32-1]don't care [2024-02-09 23:23:40,637 INFO L750 eck$LassoCheckResult]: Loop: 46#[L19-1, L32-1]don't care [39] L32-1-->L33: Formula: (< v_multThread1of1ForFork0_i_5 v_multThread1of1ForFork0_a_3) InVars {multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_3, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_5} OutVars{multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_3, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_5} AuxVars[] AssignedVars[] 56#[L19-1, L33]don't care [41] L33-->L34: Formula: (= v_multThread1of1ForFork0_z_4 (+ v_multThread1of1ForFork0_b_1 v_multThread1of1ForFork0_z_3)) InVars {multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_1, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_3} OutVars{multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_1, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_4} AuxVars[] AssignedVars[multThread1of1ForFork0_z] 70#[L19-1, L34]don't care [42] L34-->L32-1: Formula: (= v_multThread1of1ForFork0_i_8 (+ v_multThread1of1ForFork0_i_7 1)) InVars {multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_7} OutVars{multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_8} AuxVars[] AssignedVars[multThread1of1ForFork0_i] 46#[L19-1, L32-1]don't care [2024-02-09 23:23:40,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:40,640 INFO L85 PathProgramCache]: Analyzing trace with hash 58054202, now seen corresponding path program 1 times [2024-02-09 23:23:40,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:40,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766502951] [2024-02-09 23:23:40,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:40,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash 68583, now seen corresponding path program 1 times [2024-02-09 23:23:40,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:40,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802691522] [2024-02-09 23:23:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:40,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:40,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1379049714, now seen corresponding path program 1 times [2024-02-09 23:23:40,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:40,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780054759] [2024-02-09 23:23:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:40,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:40,827 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:40,827 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:40,827 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:40,827 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:40,828 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 23:23:40,828 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:40,828 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:40,828 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:40,828 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration1_Loop [2024-02-09 23:23:40,828 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:40,828 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:40,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:40,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:40,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:40,883 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 23:23:40,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:40,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:40,887 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) [2024-02-09 23:23:40,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 23:23:40,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 23:23:40,898 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 [2024-02-09 23:23:40,906 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 [2024-02-09 23:23:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:40,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:40,908 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) [2024-02-09 23:23:40,909 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 [2024-02-09 23:23:40,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 23:23:40,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 23:23:41,059 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 23:23:41,063 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 [2024-02-09 23:23:41,063 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:41,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:41,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:41,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:41,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:23:41,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:41,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:41,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration1_Loop [2024-02-09 23:23:41,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:41,064 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:41,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:41,113 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:23:41,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,117 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) [2024-02-09 23:23:41,121 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 [2024-02-09 23:23:41,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:41,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:23:41,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:41,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:41,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:41,129 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 [2024-02-09 23:23:41,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:23:41,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:23:41,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:23:41,157 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:23:41,157 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:23:41,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,160 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) [2024-02-09 23:23:41,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:23:41,164 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-09 23:23:41,165 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:23:41,166 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multThread1of1ForFork0_i, multThread1of1ForFork0_a) = -1*multThread1of1ForFork0_i + 1*multThread1of1ForFork0_a Supporting invariants [] [2024-02-09 23:23:41,169 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 [2024-02-09 23:23:41,170 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 [2024-02-09 23:23:41,173 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:23:41,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:41,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:23:41,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:41,212 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:23:41,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:23:41,271 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 [2024-02-09 23:23:41,274 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 69 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:23:41,343 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 69 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 155 states and 359 transitions. Complement of second has 6 states. [2024-02-09 23:23:41,345 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 [2024-02-09 23:23:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-02-09 23:23:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2024-02-09 23:23:41,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 5 letters. Loop has 3 letters. [2024-02-09 23:23:41,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 8 letters. Loop has 3 letters. [2024-02-09 23:23:41,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 5 letters. Loop has 6 letters. [2024-02-09 23:23:41,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 359 transitions. [2024-02-09 23:23:41,357 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-02-09 23:23:41,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 92 states and 214 transitions. [2024-02-09 23:23:41,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2024-02-09 23:23:41,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2024-02-09 23:23:41,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 214 transitions. [2024-02-09 23:23:41,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-02-09 23:23:41,363 INFO L218 hiAutomatonCegarLoop]: Abstraction has 92 states and 214 transitions. [2024-02-09 23:23:41,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 214 transitions. [2024-02-09 23:23:41,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 78. [2024-02-09 23:23:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 2.3333333333333335) internal successors, (182), 77 states have internal predecessors, (182), 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) [2024-02-09 23:23:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 182 transitions. [2024-02-09 23:23:41,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 182 transitions. [2024-02-09 23:23:41,385 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 182 transitions. [2024-02-09 23:23:41,385 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:23:41,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 182 transitions. [2024-02-09 23:23:41,387 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-02-09 23:23:41,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:23:41,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:23:41,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-02-09 23:23:41,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 23:23:41,388 INFO L748 eck$LassoCheckResult]: Stem: 507#[$Ultimate##0]don't care [31] $Ultimate##0-->L17: Formula: (<= 0 v_ULTIMATE.start_x_1) InVars {ULTIMATE.start_x=v_ULTIMATE.start_x_1} OutVars{ULTIMATE.start_x=v_ULTIMATE.start_x_1} AuxVars[] AssignedVars[] 509#[L17]don't care [25] L17-->L19: Formula: (<= 0 v_ULTIMATE.start_y_1) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_1} OutVars{ULTIMATE.start_y=v_ULTIMATE.start_y_1} AuxVars[] AssignedVars[] 513#[L19]don't care [52] L19-->$Ultimate##0: Formula: (and (= v_multThread1of1ForFork0_a_6 v_ULTIMATE.start_x_3) (= v_multThread1of1ForFork0_thidvar0_2 1) (= v_multThread1of1ForFork0_b_4 v_ULTIMATE.start_y_3)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3} OutVars{multThread1of1ForFork0_thidvar0=v_multThread1of1ForFork0_thidvar0_2, multThread1of1ForFork0_b=v_multThread1of1ForFork0_b_4, multThread1of1ForFork0_a=v_multThread1of1ForFork0_a_6, ULTIMATE.start_y=v_ULTIMATE.start_y_3, ULTIMATE.start_x=v_ULTIMATE.start_x_3, multThread1of1ForFork0_z=v_multThread1of1ForFork0_z_8, multThread1of1ForFork0_i=v_multThread1of1ForFork0_i_12} AuxVars[] AssignedVars[multThread1of1ForFork0_thidvar0, multThread1of1ForFork0_b, multThread1of1ForFork0_a, multThread1of1ForFork0_z, multThread1of1ForFork0_i] 511#[L19-1, $Ultimate##0]don't care [55] L19-1-->$Ultimate##0: Formula: (and (= 2 v_multThread1of1ForFork1_thidvar1_2) (= 2 v_multThread1of1ForFork1_thidvar0_2) (= v_multThread1of1ForFork1_a_6 v_ULTIMATE.start_y_5) (= v_multThread1of1ForFork1_b_4 v_ULTIMATE.start_x_5)) InVars {ULTIMATE.start_y=v_ULTIMATE.start_y_5, ULTIMATE.start_x=v_ULTIMATE.start_x_5} OutVars{multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_4, multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_6, multThread1of1ForFork1_thidvar0=v_multThread1of1ForFork1_thidvar0_2, multThread1of1ForFork1_thidvar1=v_multThread1of1ForFork1_thidvar1_2, ULTIMATE.start_y=v_ULTIMATE.start_y_5, ULTIMATE.start_x=v_ULTIMATE.start_x_5, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_8, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_12} AuxVars[] AssignedVars[multThread1of1ForFork1_b, multThread1of1ForFork1_a, multThread1of1ForFork1_thidvar0, multThread1of1ForFork1_thidvar1, multThread1of1ForFork1_z, multThread1of1ForFork1_i] 427#[L20, $Ultimate##0, $Ultimate##0]don't care [43] $Ultimate##0-->L31: Formula: (= v_multThread1of1ForFork1_z_1 0) InVars {} OutVars{multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_1} AuxVars[] AssignedVars[multThread1of1ForFork1_z] 429#[L20, $Ultimate##0, L31]don't care [44] L31-->L32-1: Formula: (= v_multThread1of1ForFork1_i_1 0) InVars {} OutVars{multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_1} AuxVars[] AssignedVars[multThread1of1ForFork1_i] 519#[L20, $Ultimate##0, L32-1]don't care [2024-02-09 23:23:41,391 INFO L750 eck$LassoCheckResult]: Loop: 519#[L20, $Ultimate##0, L32-1]don't care [46] L32-1-->L33: Formula: (< v_multThread1of1ForFork1_i_5 v_multThread1of1ForFork1_a_3) InVars {multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_3, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_5} OutVars{multThread1of1ForFork1_a=v_multThread1of1ForFork1_a_3, multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_5} AuxVars[] AssignedVars[] 443#[L20, $Ultimate##0, L33]don't care [48] L33-->L34: Formula: (= (+ v_multThread1of1ForFork1_b_1 v_multThread1of1ForFork1_z_3) v_multThread1of1ForFork1_z_4) InVars {multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_1, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_3} OutVars{multThread1of1ForFork1_b=v_multThread1of1ForFork1_b_1, multThread1of1ForFork1_z=v_multThread1of1ForFork1_z_4} AuxVars[] AssignedVars[multThread1of1ForFork1_z] 445#[L34, L20, $Ultimate##0]don't care [49] L34-->L32-1: Formula: (= v_multThread1of1ForFork1_i_8 (+ v_multThread1of1ForFork1_i_7 1)) InVars {multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_7} OutVars{multThread1of1ForFork1_i=v_multThread1of1ForFork1_i_8} AuxVars[] AssignedVars[multThread1of1ForFork1_i] 519#[L20, $Ultimate##0, L32-1]don't care [2024-02-09 23:23:41,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:41,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1799698751, now seen corresponding path program 1 times [2024-02-09 23:23:41,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:41,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735388198] [2024-02-09 23:23:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:41,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:41,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:41,416 INFO L85 PathProgramCache]: Analyzing trace with hash 75534, now seen corresponding path program 1 times [2024-02-09 23:23:41,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:41,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678552222] [2024-02-09 23:23:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:41,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:41,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash 748780816, now seen corresponding path program 1 times [2024-02-09 23:23:41,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:23:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110293266] [2024-02-09 23:23:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:23:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:23:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:23:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:23:41,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:23:41,489 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:41,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:41,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:41,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:41,490 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 23:23:41,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:41,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:41,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration2_Loop [2024-02-09 23:23:41,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:41,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:41,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,513 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 [2024-02-09 23:23:41,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:41,533 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 23:23:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,534 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) [2024-02-09 23:23:41,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 23:23:41,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 23:23:41,548 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 [2024-02-09 23:23:41,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 23:23:41,558 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multThread1of1ForFork1_b=0, multThread1of1ForFork1_z=0} Honda state: {multThread1of1ForFork1_b=0, multThread1of1ForFork1_z=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 23:23:41,563 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 [2024-02-09 23:23:41,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,567 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) [2024-02-09 23:23:41,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 23:23:41,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 23:23:41,590 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 [2024-02-09 23:23:41,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-02-09 23:23:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,598 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) [2024-02-09 23:23:41,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 23:23:41,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 23:23:41,606 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 [2024-02-09 23:23:41,714 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-09 23:23:41,717 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 [2024-02-09 23:23:41,717 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:23:41,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:23:41,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:23:41,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:23:41,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:23:41,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:23:41,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:23:41,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: concurrent_mult.bpl_BEv2_Iteration2_Loop [2024-02-09 23:23:41,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:23:41,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:23:41,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:23:41,755 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:23:41,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:23:41,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,756 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) [2024-02-09 23:23:41,761 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 [2024-02-09 23:23:41,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:41,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:23:41,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:41,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:41,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:41,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:23:41,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:23:41,776 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 [2024-02-09 23:23:41,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:23:41,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-02-09 23:23:41,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,796 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) [2024-02-09 23:23:41,797 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 [2024-02-09 23:23:41,798 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 [2024-02-09 23:23:41,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:23:41,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:23:41,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:23:41,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:23:41,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:23:41,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:23:41,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:23:41,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:23:41,816 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-09 23:23:41,816 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-09 23:23:41,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:23:41,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:23:41,823 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:23:41,824 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 [2024-02-09 23:23:41,828 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:23:41,828 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-09 23:23:41,828 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:23:41,828 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multThread1of1ForFork1_a, multThread1of1ForFork1_i) = 1*multThread1of1ForFork1_a - 1*multThread1of1ForFork1_i Supporting invariants [] [2024-02-09 23:23:41,831 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 [2024-02-09 23:23:41,832 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:23:41,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:23:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:41,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:23:41,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:23:41,872 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:23:41,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:23:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:23:41,899 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 [2024-02-09 23:23:41,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 182 transitions. cyclomatic complexity: 116 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-09 23:23:41,941 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 182 transitions. cyclomatic complexity: 116. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 171 states and 420 transitions. Complement of second has 6 states. [2024-02-09 23:23:41,943 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 [2024-02-09 23:23:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-09 23:23:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2024-02-09 23:23:41,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:23:41,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 9 letters. Loop has 3 letters. [2024-02-09 23:23:41,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 6 letters. Loop has 6 letters. [2024-02-09 23:23:41,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:23:41,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 420 transitions. [2024-02-09 23:23:41,947 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:23:41,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 0 states and 0 transitions. [2024-02-09 23:23:41,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-02-09 23:23:41,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-02-09 23:23:41,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-02-09 23:23:41,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-02-09 23:23:41,948 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:41,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:41,948 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-02-09 23:23:41,948 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:23:41,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-02-09 23:23:41,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-09 23:23:41,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-09 23:23:41,953 INFO L201 PluginConnector]: Adding new model concurrent_mult.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:23:41 BoogieIcfgContainer [2024-02-09 23:23:41,954 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:23:41,954 INFO L158 Benchmark]: Toolchain (without parser) took 1736.41ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 120.1MB in the beginning and 190.8MB in the end (delta: -70.8MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2024-02-09 23:23:41,954 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:23:41,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.59ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 118.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-09 23:23:41,955 INFO L158 Benchmark]: Boogie Preprocessor took 34.87ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 118.4MB in the beginning and 217.6MB in the end (delta: -99.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-09 23:23:41,956 INFO L158 Benchmark]: RCFGBuilder took 197.14ms. Allocated memory is still 243.3MB. Free memory was 217.5MB in the beginning and 208.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-02-09 23:23:41,956 INFO L158 Benchmark]: BuchiAutomizer took 1475.65ms. Allocated memory is still 243.3MB. Free memory was 208.5MB in the beginning and 190.8MB in the end (delta: 17.6MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. [2024-02-09 23:23:41,963 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 0.09ms. Allocated memory is still 157.3MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.59ms. Allocated memory is still 157.3MB. Free memory was 120.0MB in the beginning and 118.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.87ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 118.4MB in the beginning and 217.6MB in the end (delta: -99.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 197.14ms. Allocated memory is still 243.3MB. Free memory was 217.5MB in the beginning and 208.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1475.65ms. Allocated memory is still 243.3MB. Free memory was 208.5MB in the beginning and 190.8MB in the end (delta: 17.6MB). Peak memory consumption was 19.1MB. 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 -1 * i + a and consists of 4 locations. One deterministic module has affine ranking function -1 * i + a and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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, 14 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, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 56 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-09 23:23:41,975 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 [2024-02-09 23:23:42,178 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...