./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Parallel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/termination-crafted/Parallel.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:13:24,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:13:24,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:13:24,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:13:24,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:13:24,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:13:24,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:13:24,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:13:24,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:13:24,566 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:13:24,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:13:24,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:13:24,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:13:24,568 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:13:24,570 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:13:24,570 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:13:24,570 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:13:24,571 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:13:24,571 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:13:24,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:13:24,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:13:24,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:13:24,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:13:24,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:13:24,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:13:24,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:13:24,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:13:24,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:13:24,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:13:24,578 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:13:24,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:13:24,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:13:24,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:13:24,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:13:24,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:13:24,580 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:13:24,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 [2024-11-19 14:13:24,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:13:24,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:13:24,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:13:24,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:13:24,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:13:24,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Parallel.c [2024-11-19 14:13:26,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:13:26,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:13:26,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Parallel.c [2024-11-19 14:13:26,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c42d8be6/2aa9832b57014f868480b1c09d5ea4e0/FLAGec5859994 [2024-11-19 14:13:26,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c42d8be6/2aa9832b57014f868480b1c09d5ea4e0 [2024-11-19 14:13:26,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:13:26,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:13:26,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:13:26,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:13:26,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:13:26,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67178376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26, skipping insertion in model container [2024-11-19 14:13:26,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:13:26,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:13:26,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:13:26,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:13:26,739 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:13:26,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26 WrapperNode [2024-11-19 14:13:26,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:13:26,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:13:26,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:13:26,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:13:26,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,766 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-19 14:13:26,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:13:26,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:13:26,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:13:26,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:13:26,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,785 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:13:26,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:13:26,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:13:26,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:13:26,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:13:26,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (1/1) ... [2024-11-19 14:13:26,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:26,829 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) [2024-11-19 14:13:26,832 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 [2024-11-19 14:13:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:13:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:13:26,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:13:26,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:13:27,034 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-19 14:13:27,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:13:27,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:13:27,052 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:13:27,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:27 BoogieIcfgContainer [2024-11-19 14:13:27,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:13:27,054 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:13:27,054 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:13:27,058 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:13:27,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:27,059 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:13:26" (1/3) ... [2024-11-19 14:13:27,060 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48bff6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:13:27, skipping insertion in model container [2024-11-19 14:13:27,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:27,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:26" (2/3) ... [2024-11-19 14:13:27,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48bff6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:13:27, skipping insertion in model container [2024-11-19 14:13:27,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:13:27,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:27" (3/3) ... [2024-11-19 14:13:27,063 INFO L332 chiAutomizerObserver]: Analyzing ICFG Parallel.c [2024-11-19 14:13:27,122 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:13:27,122 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:13:27,122 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:13:27,123 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:13:27,123 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:13:27,123 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:13:27,123 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:13:27,124 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:13:27,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-19 14:13:27,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:27,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:27,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:27,148 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:13:27,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:27,149 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:13:27,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-19 14:13:27,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:27,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:27,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:27,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:13:27,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:27,159 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L23-2true [2024-11-19 14:13:27,160 INFO L747 eck$LassoCheckResult]: Loop: 4#L23-2true assume !!(main_~x~0#1 >= 0 || main_~y~0#1 >= 0); 6#L23true assume !(main_~x~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 4#L23-2true [2024-11-19 14:13:27,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:13:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:27,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242190615] [2024-11-19 14:13:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:27,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-19 14:13:27,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:27,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419356552] [2024-11-19 14:13:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:27,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:27,311 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:13:27,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:27,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864316248] [2024-11-19 14:13:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:27,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:27,438 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:27,439 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:27,439 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:27,439 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:27,440 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:27,440 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,440 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:27,440 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:27,440 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration1_Loop [2024-11-19 14:13:27,440 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:27,440 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:27,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,546 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:27,546 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:27,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,552 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) [2024-11-19 14:13:27,555 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 [2024-11-19 14:13:27,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:27,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:27,580 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:27,580 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:13:27,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-19 14:13:27,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,594 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) [2024-11-19 14:13:27,596 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 [2024-11-19 14:13:27,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:27,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:27,615 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:27,615 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:13:27,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,628 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) [2024-11-19 14:13:27,629 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 [2024-11-19 14:13:27,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:27,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:27,651 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:27,651 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:13:27,663 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 [2024-11-19 14:13:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,664 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) [2024-11-19 14:13:27,666 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 [2024-11-19 14:13:27,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:27,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:27,689 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 [2024-11-19 14:13:27,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,692 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) [2024-11-19 14:13:27,694 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 [2024-11-19 14:13:27,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:27,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:27,722 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:27,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:27,727 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:27,727 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:27,727 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:27,727 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:27,727 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:27,727 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,727 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:27,727 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:27,728 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration1_Loop [2024-11-19 14:13:27,728 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:27,728 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:27,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:27,818 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:27,823 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:27,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,827 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) [2024-11-19 14:13:27,838 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 [2024-11-19 14:13:27,840 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 [2024-11-19 14:13:27,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:27,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:27,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:27,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:27,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:27,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:27,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:27,882 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 [2024-11-19 14:13:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,889 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) [2024-11-19 14:13:27,890 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 [2024-11-19 14:13:27,891 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 [2024-11-19 14:13:27,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:27,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:27,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:27,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:27,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:27,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:27,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:27,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:27,918 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 [2024-11-19 14:13:27,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,920 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) [2024-11-19 14:13:27,921 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 [2024-11-19 14:13:27,922 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 [2024-11-19 14:13:27,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:27,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:27,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:27,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:27,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:27,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:27,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:27,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:13:27,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:27,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:13:27,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-19 14:13:27,963 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 [2024-11-19 14:13:27,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:27,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:27,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:27,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:27,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:27,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:13:27,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:27,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:27,983 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:27,984 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,004 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) [2024-11-19 14:13:28,006 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 [2024-11-19 14:13:28,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:28,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:28,007 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:28,007 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2024-11-19 14:13:28,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-19 14:13:28,022 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:28,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:28,057 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:28,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:28,070 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:13:28,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:28,151 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 [2024-11-19 14:13:28,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-19 14:13:28,210 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 18 states and 25 transitions. Complement of second has 8 states. [2024-11-19 14:13:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-19 14:13:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-19 14:13:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-19 14:13:28,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:13:28,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:13:28,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:13:28,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2024-11-19 14:13:28,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:28,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 9 states and 12 transitions. [2024-11-19 14:13:28,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-19 14:13:28,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-19 14:13:28,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-19 14:13:28,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:13:28,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-19 14:13:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-19 14:13:28,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-19 14:13:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2024-11-19 14:13:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-19 14:13:28,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-19 14:13:28,253 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-19 14:13:28,253 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:13:28,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-19 14:13:28,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:13:28,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:13:28,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:13:28,254 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:13:28,254 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:13:28,254 INFO L745 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 72#L23-2 assume !!(main_~x~0#1 >= 0 || main_~y~0#1 >= 0); 66#L23 [2024-11-19 14:13:28,254 INFO L747 eck$LassoCheckResult]: Loop: 66#L23 assume main_~x~0#1 >= 0;main_~x~0#1 := main_~x~0#1 - 1; 65#L23-2 assume !!(main_~x~0#1 >= 0 || main_~y~0#1 >= 0); 66#L23 [2024-11-19 14:13:28,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-19 14:13:28,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:28,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373752942] [2024-11-19 14:13:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:28,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:28,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-11-19 14:13:28,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:28,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612930249] [2024-11-19 14:13:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:28,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:28,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 1 times [2024-11-19 14:13:28,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:13:28,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789437987] [2024-11-19 14:13:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:13:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:13:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:13:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:13:28,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:13:28,339 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:28,340 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:28,340 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:28,340 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:28,340 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:13:28,340 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,340 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:28,340 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:28,340 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration2_Loop [2024-11-19 14:13:28,340 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:28,341 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:28,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,436 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:28,438 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:13:28,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,441 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) [2024-11-19 14:13:28,442 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 [2024-11-19 14:13:28,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:28,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:28,466 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:28,466 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:13:28,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-19 14:13:28,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,482 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) [2024-11-19 14:13:28,483 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 [2024-11-19 14:13:28,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:28,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:28,504 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:13:28,504 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:13:28,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,521 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) [2024-11-19 14:13:28,522 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 [2024-11-19 14:13:28,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:13:28,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:28,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-19 14:13:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,551 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-19 14:13:28,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-19 14:13:28,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:13:28,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:13:28,645 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:13:28,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:28,651 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:13:28,651 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:13:28,652 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:13:28,652 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:13:28,652 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:13:28,652 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,652 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:13:28,652 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:13:28,652 INFO L132 ssoRankerPreferences]: Filename of dumped script: Parallel.c_Iteration2_Loop [2024-11-19 14:13:28,652 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:13:28,652 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:13:28,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:13:28,746 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:13:28,747 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:13:28,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,749 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) [2024-11-19 14:13:28,751 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 [2024-11-19 14:13:28,752 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 [2024-11-19 14:13:28,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:28,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:28,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:28,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:28,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:28,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:28,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:28,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-19 14:13:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,792 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) [2024-11-19 14:13:28,794 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 [2024-11-19 14:13:28,797 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 [2024-11-19 14:13:28,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:28,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:28,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:13:28,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:28,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:13:28,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:13:28,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:13:28,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:28,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,832 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) [2024-11-19 14:13:28,833 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 [2024-11-19 14:13:28,834 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 [2024-11-19 14:13:28,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:13:28,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:13:28,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:13:28,844 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:13:28,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:13:28,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:13:28,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:13:28,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:13:28,853 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:13:28,853 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:13:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:13:28,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:13:28,854 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) [2024-11-19 14:13:28,855 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 [2024-11-19 14:13:28,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:13:28,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:13:28,856 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:13:28,856 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-19 14:13:28,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-19 14:13:28,868 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:13:28,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:13:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:28,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:13:28,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:13:28,901 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:13:28,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:13:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:13:28,943 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 [2024-11-19 14:13:28,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:28,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 21 transitions. Complement of second has 4 states. [2024-11-19 14:13:28,954 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 [2024-11-19 14:13:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:13:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-19 14:13:28,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-19 14:13:28,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-19 14:13:28,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-19 14:13:28,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:13:28,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2024-11-19 14:13:28,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:13:28,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-11-19 14:13:28,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:13:28,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:13:28,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:13:28,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:13:28,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:28,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:28,961 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:13:28,961 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:13:28,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:13:28,961 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:13:28,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:13:28,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:13:28 BoogieIcfgContainer [2024-11-19 14:13:28,968 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:13:28,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:13:28,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:13:28,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:13:28,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:27" (3/4) ... [2024-11-19 14:13:28,971 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:13:28,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:13:28,972 INFO L158 Benchmark]: Toolchain (without parser) took 2453.73ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 116.2MB in the beginning and 133.5MB in the end (delta: -17.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,972 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 172.0MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:13:28,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.33ms. Allocated memory is still 172.0MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,974 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,974 INFO L158 Benchmark]: RCFGBuilder took 258.05ms. Allocated memory is still 172.0MB. Free memory was 101.8MB in the beginning and 93.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,974 INFO L158 Benchmark]: BuchiAutomizer took 1914.22ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 93.1MB in the beginning and 134.6MB in the end (delta: -41.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-19 14:13:28,975 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 222.3MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:13:28,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 172.0MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.33ms. Allocated memory is still 172.0MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.05ms. Allocated memory is still 172.0MB. Free memory was 101.8MB in the beginning and 93.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1914.22ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 93.1MB in the beginning and 134.6MB in the end (delta: -41.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 222.3MB. Free memory is still 133.5MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) 2 * y) + 1) and consists of 5 locations. One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq144 hnf95 smp100 dnf126 smp96 tf109 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:13:28,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-19 14:13:29,195 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 [2024-11-19 14:13:29,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE