./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:44:15,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:44:15,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:44:15,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:44:15,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:44:15,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:44:15,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:44:15,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:44:15,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:44:15,963 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:44:15,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:44:15,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:44:15,965 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:44:15,965 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:44:15,965 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:44:15,966 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:44:15,967 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:44:15,970 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:44:15,970 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:44:15,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:44:15,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:44:15,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:44:15,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:44:15,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:44:15,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:44:15,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:44:15,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:44:15,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:44:15,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:44:15,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:44:15,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:44:15,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:44:15,974 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:44:15,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:44:15,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:44:15,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:44:15,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:44:15,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:44:15,975 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:44:15,976 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2024-10-12 00:44:16,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:44:16,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:44:16,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:44:16,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:44:16,269 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:44:16,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2024-10-12 00:44:17,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:44:17,883 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:44:17,884 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2024-10-12 00:44:17,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9838d8673/a73bf31f00624fc69e6191d56c663b1e/FLAGa22a872ec [2024-10-12 00:44:18,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9838d8673/a73bf31f00624fc69e6191d56c663b1e [2024-10-12 00:44:18,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:44:18,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:44:18,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:44:18,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:44:18,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:44:18,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615c341d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18, skipping insertion in model container [2024-10-12 00:44:18,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:44:18,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:44:18,488 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:44:18,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:44:18,547 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:44:18,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18 WrapperNode [2024-10-12 00:44:18,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:44:18,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:44:18,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:44:18,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:44:18,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,579 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2024-10-12 00:44:18,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:44:18,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:44:18,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:44:18,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:44:18,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,609 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]. [2024-10-12 00:44:18,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:44:18,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:44:18,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:44:18,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:44:18,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (1/1) ... [2024-10-12 00:44:18,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:18,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:18,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:18,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:44:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:44:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:44:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:44:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:44:18,749 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:44:18,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:44:18,926 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-12 00:44:18,926 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:44:18,943 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:44:18,943 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:44:18,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:18 BoogieIcfgContainer [2024-10-12 00:44:18,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:44:18,945 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:44:18,945 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:44:18,949 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:44:18,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:18,951 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:44:18" (1/3) ... [2024-10-12 00:44:18,952 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6030c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:44:18, skipping insertion in model container [2024-10-12 00:44:18,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:18,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:44:18" (2/3) ... [2024-10-12 00:44:18,953 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6030c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:44:18, skipping insertion in model container [2024-10-12 00:44:18,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:44:18,954 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:18" (3/3) ... [2024-10-12 00:44:18,955 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex04.c [2024-10-12 00:44:19,015 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:44:19,015 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:44:19,015 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:44:19,015 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:44:19,015 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:44:19,015 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:44:19,015 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:44:19,016 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:44:19,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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) [2024-10-12 00:44:19,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:44:19,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:44:19,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:44:19,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:44:19,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:44:19,037 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:44:19,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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) [2024-10-12 00:44:19,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:44:19,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:44:19,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:44:19,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:44:19,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:44:19,047 INFO L745 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 8#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;main_~c1~1#1 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;main_~c2~1#1 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 11#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;main_~c1~1#1 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;main_~c2~1#1 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2024-10-12 00:44:19,047 INFO L747 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2024-10-12 00:44:19,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2024-10-12 00:44:19,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:19,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538539014] [2024-10-12 00:44:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:19,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:19,233 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2024-10-12 00:44:19,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:19,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176490896] [2024-10-12 00:44:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:19,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:19,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2024-10-12 00:44:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:19,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298881362] [2024-10-12 00:44:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:19,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:19,779 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:44:19,779 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:44:19,779 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:44:19,780 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:44:19,780 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:44:19,780 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:19,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:44:19,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:44:19,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2024-10-12 00:44:19,781 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:44:19,781 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:44:19,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:19,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:20,084 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:44:20,088 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:44:20,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:44:20,096 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 [2024-10-12 00:44:20,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:44:20,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,148 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 [2024-10-12 00:44:20,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:44:20,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:20,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:44:20,190 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 [2024-10-12 00:44:20,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:20,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:20,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:20,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:44:20,224 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 [2024-10-12 00:44:20,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:44:20,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:44:20,272 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 [2024-10-12 00:44:20,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:44:20,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,307 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:44:20,309 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 [2024-10-12 00:44:20,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:44:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:44:20,352 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 [2024-10-12 00:44:20,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,369 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:44:20,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:44:20,388 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 [2024-10-12 00:44:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,426 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:44:20,429 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 [2024-10-12 00:44:20,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,448 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:44:20,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,464 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:44:20,467 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 [2024-10-12 00:44:20,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,487 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:44:20,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,504 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:44:20,507 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 [2024-10-12 00:44:20,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:20,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:20,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:20,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:20,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:44:20,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,542 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:44:20,544 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 [2024-10-12 00:44:20,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:20,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:20,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:20,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:20,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:20,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:20,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:44:20,585 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:44:20,585 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-12 00:44:20,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:20,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:20,612 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:20,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:44:20,614 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:44:20,628 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-12 00:44:20,628 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:44:20,629 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2024-10-12 00:44:20,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:44:20,650 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-10-12 00:44:20,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:20,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 00:44:20,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:20,784 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:44:20,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:44:20,812 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-10-12 00:44:20,814 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:44:20,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 88 transitions. Complement of second has 8 states. [2024-10-12 00:44:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-12 00:44:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:44:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2024-10-12 00:44:20,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 1 letters. [2024-10-12 00:44:20,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:20,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 9 letters. Loop has 1 letters. [2024-10-12 00:44:20,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:20,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-12 00:44:20,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:20,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 88 transitions. [2024-10-12 00:44:20,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-10-12 00:44:20,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 28 states and 42 transitions. [2024-10-12 00:44:20,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-12 00:44:20,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-10-12 00:44:20,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2024-10-12 00:44:20,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:44:20,936 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2024-10-12 00:44:20,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2024-10-12 00:44:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-10-12 00:44:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 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) [2024-10-12 00:44:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2024-10-12 00:44:20,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2024-10-12 00:44:20,964 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2024-10-12 00:44:20,965 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:44:20,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2024-10-12 00:44:20,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:44:20,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:44:20,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:44:20,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:44:20,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:44:20,967 INFO L745 eck$LassoCheckResult]: Stem: 166#$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);call #Ultimate.allocInit(12, 3); 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 155#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;main_~c1~1#1 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;main_~c2~1#1 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1; 156#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 160#L34-2 assume !(0 != main_~c2~1#1 % 256); 162#L35-1 havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;main_~c1~1#1 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;main_~c2~1#1 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1; 163#L39 assume !(0 != main_~c1~1#1 % 256); 154#L39-2 assume !(0 != main_~c2~1#1 % 256); 151#L42-1 [2024-10-12 00:44:20,967 INFO L747 eck$LassoCheckResult]: Loop: 151#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 151#L42-1 [2024-10-12 00:44:20,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:20,968 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2024-10-12 00:44:20,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:20,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092598931] [2024-10-12 00:44:20,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:21,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:21,039 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2024-10-12 00:44:21,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:21,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105956126] [2024-10-12 00:44:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:21,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:21,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2024-10-12 00:44:21,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:44:21,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372886882] [2024-10-12 00:44:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:44:21,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:44:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:21,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 00:44:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:44:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:44:21,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:44:21 BoogieIcfgContainer [2024-10-12 00:44:21,510 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:44:21,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:44:21,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:44:21,511 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:44:21,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:44:18" (3/4) ... [2024-10-12 00:44:21,514 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:44:21,554 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:44:21,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:44:21,555 INFO L158 Benchmark]: Toolchain (without parser) took 3285.28ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 102.3MB in the beginning and 148.6MB in the end (delta: -46.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:21,555 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:21,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.49ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 132.2MB in the end (delta: -29.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 00:44:21,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.92ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 130.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:21,556 INFO L158 Benchmark]: Boogie Preprocessor took 40.38ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:21,557 INFO L158 Benchmark]: RCFGBuilder took 320.38ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 115.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 00:44:21,557 INFO L158 Benchmark]: BuchiAutomizer took 2565.69ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 115.5MB in the beginning and 150.7MB in the end (delta: -35.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:21,557 INFO L158 Benchmark]: Witness Printer took 42.88ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 148.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:21,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.49ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 132.2MB in the end (delta: -29.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.92ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 130.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.38ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.38ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 115.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2565.69ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 115.5MB in the beginning and 150.7MB in the end (delta: -35.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 42.88ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 148.6MB in the end (delta: 1.0MB). 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 46 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital73 mio100 ax100 hnf100 lsp30 ukn95 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 42]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:44:21,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)