./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:37:58,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:37:58,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:37:58,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:37:58,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:37:58,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:37:58,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:37:58,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:37:58,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:37:58,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:37:58,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:37:58,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:37:58,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:37:58,669 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:37:58,671 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:37:58,672 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:37:58,672 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:37:58,672 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:37:58,672 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:37:58,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:37:58,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:37:58,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:37:58,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:37:58,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:37:58,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:37:58,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:37:58,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:37:58,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:37:58,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:37:58,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:37:58,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:37:58,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:37:58,678 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:37:58,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:37:58,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:37:58,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:37:58,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:37:58,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:37:58,680 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:37:58,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c [2024-11-23 02:37:58,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:37:58,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:37:58,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:37:58,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:37:58,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:37:58,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/cggmp2005b.i [2024-11-23 02:38:00,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:38:00,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:38:00,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005b.i [2024-11-23 02:38:00,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c5619d3e/9e4712aa6b704a58b46a2dc5a42fbdc0/FLAG81aed2758 [2024-11-23 02:38:00,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c5619d3e/9e4712aa6b704a58b46a2dc5a42fbdc0 [2024-11-23 02:38:00,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:38:00,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:38:00,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:00,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:38:00,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:38:00,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:00" (1/1) ... [2024-11-23 02:38:00,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e71a6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:00, skipping insertion in model container [2024-11-23 02:38:00,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:00" (1/1) ... [2024-11-23 02:38:00,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:38:01,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:01,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:38:01,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:01,240 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:38:01,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01 WrapperNode [2024-11-23 02:38:01,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:01,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:01,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:38:01,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:38:01,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,278 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-23 02:38:01,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:01,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:38:01,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:38:01,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:38:01,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,327 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 02:38:01,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:38:01,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:38:01,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:38:01,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:38:01,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (1/1) ... [2024-11-23 02:38:01,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:01,391 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) [2024-11-23 02:38:01,395 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 [2024-11-23 02:38:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:38:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:38:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:38:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:38:01,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:38:01,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:38:01,596 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-23 02:38:01,596 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:38:01,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:38:01,608 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-23 02:38:01,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:01 BoogieIcfgContainer [2024-11-23 02:38:01,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:38:01,609 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:38:01,610 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:38:01,614 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:38:01,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:01,616 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:38:00" (1/3) ... [2024-11-23 02:38:01,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34d15c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:01, skipping insertion in model container [2024-11-23 02:38:01,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:01,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:01" (2/3) ... [2024-11-23 02:38:01,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34d15c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:01, skipping insertion in model container [2024-11-23 02:38:01,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:01,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:01" (3/3) ... [2024-11-23 02:38:01,619 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005b.i [2024-11-23 02:38:01,687 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:38:01,687 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:38:01,687 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:38:01,687 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:38:01,687 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:38:01,688 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:38:01,688 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:38:01,688 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:38:01,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2024-11-23 02:38:01,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:38:01,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:01,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:01,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:38:01,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:38:01,718 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:38:01,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2024-11-23 02:38:01,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:38:01,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:01,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:01,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:38:01,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:38:01,729 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 5#L35-3true [2024-11-23 02:38:01,730 INFO L747 eck$LassoCheckResult]: Loop: 5#L35-3true assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 12#L31-2true assume !(main_~j~0#1 < 20); 6#L31-3true main_~k~0#1 := 4; 11#L35-2true assume !true; 5#L35-3true [2024-11-23 02:38:01,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:01,738 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:38:01,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:01,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378631737] [2024-11-23 02:38:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:01,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:01,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:01,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:01,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:01,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1269299, now seen corresponding path program 1 times [2024-11-23 02:38:01,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:01,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097062093] [2024-11-23 02:38:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:01,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:01,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:38:01,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097062093] [2024-11-23 02:38:01,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097062093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:38:01,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:38:01,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 02:38:01,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312150284] [2024-11-23 02:38:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:38:01,923 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:38:01,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:38:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 02:38:01,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 02:38:01,958 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:38:01,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:38:01,966 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2024-11-23 02:38:01,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-23 02:38:01,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:38:01,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 6 states and 8 transitions. [2024-11-23 02:38:01,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 02:38:01,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 02:38:01,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2024-11-23 02:38:01,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:38:01,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-23 02:38:01,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2024-11-23 02:38:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-23 02:38:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2024-11-23 02:38:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2024-11-23 02:38:02,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-23 02:38:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 02:38:02,017 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-23 02:38:02,017 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:38:02,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2024-11-23 02:38:02,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-23 02:38:02,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:02,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:02,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:38:02,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-23 02:38:02,018 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 40#L35-3 [2024-11-23 02:38:02,018 INFO L747 eck$LassoCheckResult]: Loop: 40#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 41#L31-2 assume !(main_~j~0#1 < 20); 42#L31-3 main_~k~0#1 := 4; 39#L35-2 assume !(main_~k~0#1 <= 3); 40#L35-3 [2024-11-23 02:38:02,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,019 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-23 02:38:02,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516985289] [2024-11-23 02:38:02,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:02,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,036 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:38:02,037 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:38:02,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:02,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1269295, now seen corresponding path program 1 times [2024-11-23 02:38:02,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798761363] [2024-11-23 02:38:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:02,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 889696497, now seen corresponding path program 1 times [2024-11-23 02:38:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550253327] [2024-11-23 02:38:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:02,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:02,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:38:02,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550253327] [2024-11-23 02:38:02,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550253327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:38:02,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:38:02,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 02:38:02,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004024476] [2024-11-23 02:38:02,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:38:02,236 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:02,237 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:02,237 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:02,237 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:02,237 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:38:02,238 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,238 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:02,238 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:02,238 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration2_Loop [2024-11-23 02:38:02,238 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:02,238 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:02,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,326 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:02,327 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:38:02,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,332 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) [2024-11-23 02:38:02,333 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 [2024-11-23 02:38:02,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:02,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:02,361 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:38:02,365 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=20} Honda state: {ULTIMATE.start_main_~j~0#1=20} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-23 02:38:02,374 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 [2024-11-23 02:38:02,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,381 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) [2024-11-23 02:38:02,382 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 [2024-11-23 02:38:02,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:02,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:02,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 02:38:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,412 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) [2024-11-23 02:38:02,416 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 [2024-11-23 02:38:02,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:38:02,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:02,448 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:38:02,455 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 [2024-11-23 02:38:02,455 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:02,455 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:02,455 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:02,455 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:02,455 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:02,456 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,456 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:02,456 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:02,456 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration2_Loop [2024-11-23 02:38:02,456 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:02,456 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:02,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:02,520 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:02,528 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:02,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,538 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) [2024-11-23 02:38:02,541 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 [2024-11-23 02:38:02,542 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 [2024-11-23 02:38:02,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:02,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:02,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:02,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:02,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:02,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:02,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:02,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:38:02,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:38:02,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,570 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) [2024-11-23 02:38:02,571 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 [2024-11-23 02:38:02,572 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 [2024-11-23 02:38:02,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:02,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:02,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:02,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:02,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:02,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:02,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:02,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:02,591 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:38:02,592 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:38:02,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:02,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:02,597 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) [2024-11-23 02:38:02,599 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 [2024-11-23 02:38:02,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:02,600 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:38:02,600 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:02,601 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 201 Supporting invariants [] [2024-11-23 02:38:02,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:38:02,615 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:38:02,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:02,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:02,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:02,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:02,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:02,748 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 [2024-11-23 02:38:02,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 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) [2024-11-23 02:38:02,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. 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 14 states and 21 transitions. Complement of second has 4 states. [2024-11-23 02:38:02,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:02,787 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) [2024-11-23 02:38:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-23 02:38:02,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 02:38:02,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:02,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-23 02:38:02,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:02,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-23 02:38:02,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:02,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 21 transitions. [2024-11-23 02:38:02,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:02,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 20 transitions. [2024-11-23 02:38:02,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 02:38:02,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:38:02,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 20 transitions. [2024-11-23 02:38:02,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:02,796 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 20 transitions. [2024-11-23 02:38:02,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 20 transitions. [2024-11-23 02:38:02,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2024-11-23 02:38:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 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) [2024-11-23 02:38:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. [2024-11-23 02:38:02,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 17 transitions. [2024-11-23 02:38:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:38:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:38:02,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:38:02,800 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. 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) [2024-11-23 02:38:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:38:02,809 INFO L93 Difference]: Finished difference Result 12 states and 19 transitions. [2024-11-23 02:38:02,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 19 transitions. [2024-11-23 02:38:02,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:02,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 19 transitions. [2024-11-23 02:38:02,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 02:38:02,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 02:38:02,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 19 transitions. [2024-11-23 02:38:02,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:02,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 19 transitions. [2024-11-23 02:38:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 19 transitions. [2024-11-23 02:38:02,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-23 02:38:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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) [2024-11-23 02:38:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 19 transitions. [2024-11-23 02:38:02,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 19 transitions. [2024-11-23 02:38:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:38:02,813 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 19 transitions. [2024-11-23 02:38:02,814 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:38:02,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 19 transitions. [2024-11-23 02:38:02,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:02,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:02,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:02,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 02:38:02,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:02,815 INFO L745 eck$LassoCheckResult]: Stem: 118#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 127#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 128#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 123#L31-2 [2024-11-23 02:38:02,815 INFO L747 eck$LassoCheckResult]: Loop: 123#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 123#L31-2 [2024-11-23 02:38:02,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,815 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-11-23 02:38:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287534087] [2024-11-23 02:38:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:02,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:02,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-11-23 02:38:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436992323] [2024-11-23 02:38:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:02,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 2 times [2024-11-23 02:38:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:02,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527379870] [2024-11-23 02:38:02,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:02,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:02,861 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:38:02,861 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:38:02,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:02,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:02,932 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 [2024-11-23 02:38:03,152 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:03,153 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:03,153 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:03,153 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:03,153 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:03,154 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,154 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:03,154 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:03,154 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration3_Lasso [2024-11-23 02:38:03,154 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:03,154 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:03,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,331 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:03,332 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:03,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,334 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) [2024-11-23 02:38:03,336 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 [2024-11-23 02:38:03,337 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 [2024-11-23 02:38:03,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:03,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:03,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:03,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:03,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:38:03,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:38:03,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:03,384 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-23 02:38:03,384 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-23 02:38:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,389 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) [2024-11-23 02:38:03,396 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 [2024-11-23 02:38:03,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:03,415 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-23 02:38:03,416 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:03,416 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~j~0#1) = 39*ULTIMATE.start_main_~i~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~i~0#1 - 1 >= 0] [2024-11-23 02:38:03,426 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 [2024-11-23 02:38:03,432 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-23 02:38:03,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:03,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,502 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:38:03,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:03,503 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-23 02:38:03,503 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 19 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-11-23 02:38:03,549 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 19 transitions. cyclomatic complexity: 10. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 25 states and 39 transitions. Complement of second has 7 states. [2024-11-23 02:38:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-11-23 02:38:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-11-23 02:38:03,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-23 02:38:03,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:03,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2024-11-23 02:38:03,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:03,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-23 02:38:03,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:03,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 39 transitions. [2024-11-23 02:38:03,554 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2024-11-23 02:38:03,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 31 transitions. [2024-11-23 02:38:03,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 02:38:03,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-23 02:38:03,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 31 transitions. [2024-11-23 02:38:03,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:03,556 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 31 transitions. [2024-11-23 02:38:03,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 31 transitions. [2024-11-23 02:38:03,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2024-11-23 02:38:03,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 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) [2024-11-23 02:38:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 23 transitions. [2024-11-23 02:38:03,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 23 transitions. [2024-11-23 02:38:03,559 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 23 transitions. [2024-11-23 02:38:03,559 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:38:03,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 23 transitions. [2024-11-23 02:38:03,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:03,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:03,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:03,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 02:38:03,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:03,564 INFO L745 eck$LassoCheckResult]: Stem: 207#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 208#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 215#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 216#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 212#L31-2 assume !(main_~j~0#1 < 20); 213#L31-3 main_~k~0#1 := 4; 209#L35-2 [2024-11-23 02:38:03,564 INFO L747 eck$LassoCheckResult]: Loop: 209#L35-2 assume !!(main_~k~0#1 <= 3);main_~k~0#1 := 1 + main_~k~0#1; 209#L35-2 [2024-11-23 02:38:03,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:03,565 INFO L85 PathProgramCache]: Analyzing trace with hash 889698226, now seen corresponding path program 1 times [2024-11-23 02:38:03,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:03,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726588365] [2024-11-23 02:38:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:03,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:38:03,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726588365] [2024-11-23 02:38:03,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726588365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:38:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259096825] [2024-11-23 02:38:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:03,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:38:03,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,671 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:38:03,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 02:38:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:38:03,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:03,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:38:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:03,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259096825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:38:03,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:38:03,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-23 02:38:03,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281862254] [2024-11-23 02:38:03,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:38:03,774 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:38:03,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:03,775 INFO L85 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2024-11-23 02:38:03,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:03,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955966602] [2024-11-23 02:38:03,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:03,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:03,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:03,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:03,805 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:03,805 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:03,805 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:03,805 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:03,805 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:38:03,805 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,805 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:03,805 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:03,805 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration4_Loop [2024-11-23 02:38:03,806 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:03,806 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:03,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,825 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:03,825 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:38:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,828 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) [2024-11-23 02:38:03,829 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 [2024-11-23 02:38:03,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:03,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:03,848 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 [2024-11-23 02:38:03,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,850 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) [2024-11-23 02:38:03,851 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 [2024-11-23 02:38:03,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:38:03,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:03,876 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:38:03,880 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 [2024-11-23 02:38:03,881 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:03,881 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:03,881 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:03,881 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:03,881 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:03,881 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,881 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:03,881 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:03,881 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration4_Loop [2024-11-23 02:38:03,882 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:03,882 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:03,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:03,904 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:03,904 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:03,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,907 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) [2024-11-23 02:38:03,908 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 [2024-11-23 02:38:03,910 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 [2024-11-23 02:38:03,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:03,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:03,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:03,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:03,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:03,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:03,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:03,927 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:03,930 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:38:03,931 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:38:03,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:03,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:03,934 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:38:03,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 02:38:03,935 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:03,935 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:38:03,936 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:03,936 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = -2*ULTIMATE.start_main_~k~0#1 + 7 Supporting invariants [] [2024-11-23 02:38:03,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 02:38:03,946 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:38:03,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:03,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:03,986 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:03,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:03,987 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:38:03,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 23 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 02:38:03,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 23 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 34 states and 54 transitions. Complement of second has 5 states. [2024-11-23 02:38:04,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-23 02:38:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-23 02:38:04,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 1 letters. [2024-11-23 02:38:04,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 1 letters. [2024-11-23 02:38:04,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-23 02:38:04,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 54 transitions. [2024-11-23 02:38:04,002 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2024-11-23 02:38:04,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 21 states and 34 transitions. [2024-11-23 02:38:04,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 02:38:04,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:38:04,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 34 transitions. [2024-11-23 02:38:04,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:04,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 34 transitions. [2024-11-23 02:38:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 34 transitions. [2024-11-23 02:38:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 12. [2024-11-23 02:38:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 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) [2024-11-23 02:38:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. [2024-11-23 02:38:04,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 18 transitions. [2024-11-23 02:38:04,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:38:04,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 02:38:04,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-23 02:38:04,010 INFO L87 Difference]: Start difference. First operand 12 states and 18 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-23 02:38:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:38:04,042 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2024-11-23 02:38:04,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2024-11-23 02:38:04,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:04,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 20 transitions. [2024-11-23 02:38:04,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-23 02:38:04,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-23 02:38:04,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-11-23 02:38:04,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:04,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-23 02:38:04,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-11-23 02:38:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-23 02:38:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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) [2024-11-23 02:38:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2024-11-23 02:38:04,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-23 02:38:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:38:04,046 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-23 02:38:04,046 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 02:38:04,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2024-11-23 02:38:04,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-23 02:38:04,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:04,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:04,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1, 1, 1] [2024-11-23 02:38:04,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:04,048 INFO L745 eck$LassoCheckResult]: Stem: 359#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 360#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 368#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 366#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 367#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 372#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 371#L31-2 assume !(main_~j~0#1 < 20); 369#L31-3 main_~k~0#1 := 4; 362#L35-2 assume !(main_~k~0#1 <= 3); 363#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 370#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 364#L31-2 [2024-11-23 02:38:04,048 INFO L747 eck$LassoCheckResult]: Loop: 364#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 364#L31-2 [2024-11-23 02:38:04,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1309449898, now seen corresponding path program 1 times [2024-11-23 02:38:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:04,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998104338] [2024-11-23 02:38:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 02:38:04,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:38:04,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998104338] [2024-11-23 02:38:04,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998104338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:38:04,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:38:04,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 02:38:04,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103824688] [2024-11-23 02:38:04,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:38:04,095 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:38:04,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,096 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2024-11-23 02:38:04,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:04,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293310098] [2024-11-23 02:38:04,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:04,100 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:38:04,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:38:04,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:04,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:04,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:38:04,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:38:04,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:38:04,120 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 4.5) 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) [2024-11-23 02:38:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:38:04,125 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-23 02:38:04,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-23 02:38:04,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:38:04,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2024-11-23 02:38:04,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-23 02:38:04,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-23 02:38:04,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-23 02:38:04,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 02:38:04,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-23 02:38:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-23 02:38:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-23 02:38:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 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) [2024-11-23 02:38:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-11-23 02:38:04,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-23 02:38:04,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:38:04,129 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-23 02:38:04,129 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-23 02:38:04,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-11-23 02:38:04,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:38:04,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:04,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:04,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1] [2024-11-23 02:38:04,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:04,130 INFO L745 eck$LassoCheckResult]: Stem: 392#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 393#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 399#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 397#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 398#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 404#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 403#L31-2 assume !(main_~j~0#1 < 20); 401#L31-3 main_~k~0#1 := 4; 395#L35-2 assume !(main_~k~0#1 <= 3); 396#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 402#L31-2 assume !(main_~j~0#1 < 20); 400#L31-3 main_~k~0#1 := 4; 394#L35-2 [2024-11-23 02:38:04,131 INFO L747 eck$LassoCheckResult]: Loop: 394#L35-2 assume !!(main_~k~0#1 <= 3);main_~k~0#1 := 1 + main_~k~0#1; 394#L35-2 [2024-11-23 02:38:04,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1938241212, now seen corresponding path program 2 times [2024-11-23 02:38:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641619171] [2024-11-23 02:38:04,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:04,140 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:38:04,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:38:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 02:38:04,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:38:04,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641619171] [2024-11-23 02:38:04,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641619171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:38:04,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339955547] [2024-11-23 02:38:04,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:38:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:04,253 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:38:04,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-23 02:38:04,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:38:04,313 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:38:04,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,321 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 [2024-11-23 02:38:04,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-23 02:38:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 02:38:04,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:38:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 02:38:04,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339955547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:38:04,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:38:04,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-11-23 02:38:04,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329296212] [2024-11-23 02:38:04,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:38:04,523 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:38:04,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 2 times [2024-11-23 02:38:04,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:04,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928842108] [2024-11-23 02:38:04,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:38:04,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:04,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:38:04,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:38:04,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:04,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:04,543 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:04,543 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:04,543 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:04,543 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:04,543 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:38:04,544 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,544 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:04,544 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:04,544 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration6_Loop [2024-11-23 02:38:04,544 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:04,544 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:04,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:04,564 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:04,565 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:38:04,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:04,568 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-11-23 02:38:04,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 02:38:04,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:04,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:04,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-23 02:38:04,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:04,602 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-11-23 02:38:04,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-23 02:38:04,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:38:04,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:04,636 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:38:04,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-23 02:38:04,643 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:04,643 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:04,643 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:04,643 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:04,643 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:04,643 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,643 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:04,643 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:04,643 INFO L132 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration6_Loop [2024-11-23 02:38:04,643 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:04,644 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:04,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:04,669 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:04,669 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:04,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:04,671 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-11-23 02:38:04,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 02:38:04,676 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 [2024-11-23 02:38:04,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:04,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:04,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:04,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:04,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:04,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:04,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:04,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:04,693 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:38:04,693 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:38:04,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:04,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:04,696 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-11-23 02:38:04,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 02:38:04,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:04,698 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:38:04,698 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:04,698 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = -2*ULTIMATE.start_main_~k~0#1 + 7 Supporting invariants [] [2024-11-23 02:38:04,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-23 02:38:04,708 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:38:04,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,770 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:04,771 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:38:04,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 23 states and 28 transitions. Complement of second has 5 states. [2024-11-23 02:38:04,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-23 02:38:04,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 12 letters. Loop has 1 letters. [2024-11-23 02:38:04,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,786 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:38:04,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,836 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:04,837 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:38:04,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,849 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 23 states and 28 transitions. Complement of second has 5 states. [2024-11-23 02:38:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-23 02:38:04,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 12 letters. Loop has 1 letters. [2024-11-23 02:38:04,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,851 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-23 02:38:04,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:04,897 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:38:04,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:04,898 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-23 02:38:04,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,910 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 6. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 19 states and 22 transitions. Complement of second has 4 states. [2024-11-23 02:38:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:38:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-23 02:38:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-23 02:38:04,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2024-11-23 02:38:04,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 13 letters. Loop has 1 letters. [2024-11-23 02:38:04,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2024-11-23 02:38:04,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:04,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2024-11-23 02:38:04,913 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:04,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-23 02:38:04,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:38:04,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:38:04,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:38:04,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:38:04,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:04,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:04,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:38:04,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 02:38:04,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-23 02:38:04,915 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 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) [2024-11-23 02:38:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:38:04,915 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-23 02:38:04,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-23 02:38:04,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:04,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 02:38:04,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:38:04,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:38:04,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:38:04,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:38:04,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:04,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 02:38:04,916 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:04,916 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-23 02:38:04,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:38:04,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:04,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:38:04,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:38:04 BoogieIcfgContainer [2024-11-23 02:38:04,924 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:38:04,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:38:04,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:38:04,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:38:04,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:01" (3/4) ... [2024-11-23 02:38:04,927 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:38:04,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:38:04,929 INFO L158 Benchmark]: Toolchain (without parser) took 3970.95ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 78.9MB in the beginning and 132.1MB in the end (delta: -53.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-23 02:38:04,929 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:04,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.31ms. Allocated memory is still 134.2MB. Free memory was 78.9MB in the beginning and 66.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:38:04,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 65.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:04,930 INFO L158 Benchmark]: Boogie Preprocessor took 60.39ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 65.3MB in the beginning and 133.5MB in the end (delta: -68.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-23 02:38:04,930 INFO L158 Benchmark]: RCFGBuilder took 267.89ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 125.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-23 02:38:04,930 INFO L158 Benchmark]: BuchiAutomizer took 3314.45ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 124.3MB in the beginning and 132.1MB in the end (delta: -7.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-23 02:38:04,930 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 199.2MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:04,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.31ms. Allocated memory is still 134.2MB. Free memory was 78.9MB in the beginning and 66.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 65.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.39ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 65.3MB in the beginning and 133.5MB in the end (delta: -68.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 267.89ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 125.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3314.45ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 124.3MB in the beginning and 132.1MB in the end (delta: -7.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 199.2MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 201) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * j) + ((long long) 39 * i)) and consists of 5 locations. One deterministic module has affine ranking function (7 + ((long long) -2 * k)) and consists of 3 locations. One nondeterministic module has affine ranking function (7 + ((long long) -2 * k)) and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 88 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN1 SILU0 SILI0 SILT2 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf93 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 84ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 02:38:04,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-23 02:38:05,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-23 02:38:05,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 02:38:05,550 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE