./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strchr_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strchr_short.i -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 b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:13:41,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:13:41,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:13:41,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:13:41,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:13:41,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:13:41,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:13:41,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:13:41,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:13:41,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:13:41,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:13:41,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:13:41,148 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:13:41,149 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:13:41,150 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:13:41,151 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:13:41,151 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:13:41,151 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:13:41,151 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:13:41,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:13:41,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:13:41,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:13:41,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:13:41,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:13:41,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:13:41,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:13:41,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:13:41,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:13:41,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:13:41,156 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:13:41,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:13:41,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:13:41,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:13:41,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:13:41,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:13:41,158 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:13:41,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9f420c703006a20f84c0f072fc483abdc031419ba97e1947a58423e06686a36 [2024-10-15 00:13:41,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:13:41,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:13:41,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:13:41,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:13:41,423 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:13:41,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strchr_short.i [2024-10-15 00:13:42,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:13:43,135 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:13:43,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strchr_short.i [2024-10-15 00:13:43,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e17b471/b0d13ff3198d4a8da3eab395621fbdd3/FLAGf117878e5 [2024-10-15 00:13:43,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e17b471/b0d13ff3198d4a8da3eab395621fbdd3 [2024-10-15 00:13:43,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:13:43,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:13:43,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:13:43,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:13:43,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:13:43,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373bd60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43, skipping insertion in model container [2024-10-15 00:13:43,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:13:43,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:13:43,459 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:13:43,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:13:43,520 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:13:43,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43 WrapperNode [2024-10-15 00:13:43,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:13:43,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:13:43,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:13:43,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:13:43,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,555 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2024-10-15 00:13:43,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:13:43,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:13:43,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:13:43,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:13:43,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,594 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-10-15 00:13:43,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:13:43,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:13:43,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:13:43,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:13:43,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (1/1) ... [2024-10-15 00:13:43,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:43,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:43,643 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) [2024-10-15 00:13:43,647 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 [2024-10-15 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 00:13:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:13:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:13:43,740 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:13:43,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:13:43,824 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-15 00:13:43,824 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:13:43,835 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:13:43,835 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:13:43,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:13:43 BoogieIcfgContainer [2024-10-15 00:13:43,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:13:43,836 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:13:43,836 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:13:43,839 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:13:43,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:13:43,840 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:13:43" (1/3) ... [2024-10-15 00:13:43,841 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308c7365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:13:43, skipping insertion in model container [2024-10-15 00:13:43,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:13:43,841 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:43" (2/3) ... [2024-10-15 00:13:43,841 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308c7365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:13:43, skipping insertion in model container [2024-10-15 00:13:43,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:13:43,842 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:13:43" (3/3) ... [2024-10-15 00:13:43,843 INFO L332 chiAutomizerObserver]: Analyzing ICFG strchr_short.i [2024-10-15 00:13:43,883 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:13:43,883 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:13:43,883 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:13:43,883 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:13:43,883 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:13:43,884 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:13:43,884 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:13:43,884 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:13:43,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-10-15 00:13:43,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:13:43,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:13:43,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:13:43,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-15 00:13:43,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:13:43,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:13:43,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-10-15 00:13:43,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:13:43,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:13:43,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:13:43,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-15 00:13:43,911 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:13:43,917 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet5#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9#L516true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet7#1;main_~the_int~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem2#1, strchr_#t~mem3#1, strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 6#L509-1true [2024-10-15 00:13:43,917 INFO L747 eck$LassoCheckResult]: Loop: 6#L509-1true call strchr_#t~mem2#1 := read~int#0(strchr_~t#1.base, strchr_~t#1.offset, 1); 10#L510true assume !(strchr_#t~mem2#1 == strchr_~ch~0#1);havoc strchr_#t~mem2#1;call strchr_#t~mem3#1 := read~int#0(strchr_~t#1.base, strchr_~t#1.offset, 1); 8#L510-2true assume !(0 == strchr_#t~mem3#1);havoc strchr_#t~mem3#1;strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset; 6#L509-1true [2024-10-15 00:13:43,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:13:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-15 00:13:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:13:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186111364] [2024-10-15 00:13:43,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:13:43,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:13:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:13:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:13:44,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:13:44,086 INFO L85 PathProgramCache]: Analyzing trace with hash 40879, now seen corresponding path program 1 times [2024-10-15 00:13:44,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:13:44,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96200619] [2024-10-15 00:13:44,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:13:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:13:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:13:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:13:44,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:13:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash 889570348, now seen corresponding path program 1 times [2024-10-15 00:13:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:13:44,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980961514] [2024-10-15 00:13:44,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:13:44,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:13:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:13:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:13:44,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:13:44,623 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:13:44,623 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:13:44,623 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:13:44,624 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:13:44,624 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:13:44,624 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:44,624 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:13:44,624 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:13:44,624 INFO L132 ssoRankerPreferences]: Filename of dumped script: strchr_short.i_Iteration1_Lasso [2024-10-15 00:13:44,624 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:13:44,624 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:13:44,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:44,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:13:45,086 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:13:45,090 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:13:45,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,096 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) [2024-10-15 00:13:45,104 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 [2024-10-15 00:13:45,105 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 [2024-10-15 00:13:45,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,136 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 [2024-10-15 00:13:45,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,141 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) [2024-10-15 00:13:45,142 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 [2024-10-15 00:13:45,144 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 [2024-10-15 00:13:45,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-15 00:13:45,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,179 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) [2024-10-15 00:13:45,182 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 [2024-10-15 00:13:45,184 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 [2024-10-15 00:13:45,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,200 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-15 00:13:45,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,226 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) [2024-10-15 00:13:45,228 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 [2024-10-15 00:13:45,230 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 [2024-10-15 00:13:45,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,272 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 [2024-10-15 00:13:45,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,275 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) [2024-10-15 00:13:45,276 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 [2024-10-15 00:13:45,278 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 [2024-10-15 00:13:45,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-15 00:13:45,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,322 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) [2024-10-15 00:13:45,323 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 [2024-10-15 00:13:45,324 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 [2024-10-15 00:13:45,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,352 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 [2024-10-15 00:13:45,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,354 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) [2024-10-15 00:13:45,356 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 [2024-10-15 00:13:45,361 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 [2024-10-15 00:13:45,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,387 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,410 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 [2024-10-15 00:13:45,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,412 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) [2024-10-15 00:13:45,414 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 [2024-10-15 00:13:45,415 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 [2024-10-15 00:13:45,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,443 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 [2024-10-15 00:13:45,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,445 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) [2024-10-15 00:13:45,446 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 [2024-10-15 00:13:45,447 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 [2024-10-15 00:13:45,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-15 00:13:45,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,475 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) [2024-10-15 00:13:45,476 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 [2024-10-15 00:13:45,477 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 [2024-10-15 00:13:45,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 00:13:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,503 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) [2024-10-15 00:13:45,504 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 [2024-10-15 00:13:45,505 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 [2024-10-15 00:13:45,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:13:45,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:13:45,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:13:45,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-15 00:13:45,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,534 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) [2024-10-15 00:13:45,538 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 [2024-10-15 00:13:45,539 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 [2024-10-15 00:13:45,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,551 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-10-15 00:13:45,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,574 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-10-15 00:13:45,574 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-10-15 00:13:45,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,618 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 [2024-10-15 00:13:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,620 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) [2024-10-15 00:13:45,621 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 [2024-10-15 00:13:45,623 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 [2024-10-15 00:13:45,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:13:45,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:13:45,638 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:13:45,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-15 00:13:45,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,651 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) [2024-10-15 00:13:45,653 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 [2024-10-15 00:13:45,656 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 [2024-10-15 00:13:45,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:13:45,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:13:45,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:13:45,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:13:45,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:13:45,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:13:45,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:13:45,711 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-10-15 00:13:45,711 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-15 00:13:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:13:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:13:45,714 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) [2024-10-15 00:13:45,715 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 [2024-10-15 00:13:45,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:13:45,728 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:13:45,729 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:13:45,729 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strchr_~t#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1) = -1*ULTIMATE.start_strchr_~t#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 Supporting invariants [] [2024-10-15 00:13:45,740 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 [2024-10-15 00:13:45,749 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-10-15 00:13:45,755 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:13:45,756 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:13:45,757 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~t!offset [2024-10-15 00:13:45,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:13:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:13:45,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:13:45,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:13:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:13:45,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:13:45,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:13:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:13:45,872 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 [2024-10-15 00:13:45,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:13:45,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 28 transitions. Complement of second has 6 states. [2024-10-15 00:13:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:13:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:13:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-15 00:13:45,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-15 00:13:45,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:13:45,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-15 00:13:45,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:13:45,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-15 00:13:45,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:13:45,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 28 transitions. [2024-10-15 00:13:45,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:13:45,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2024-10-15 00:13:45,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:13:45,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:13:45,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:13:45,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:13:45,953 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:13:45,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:13:45,954 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:13:45,954 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:13:45,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:13:45,954 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:13:45,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:13:45,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:13:45 BoogieIcfgContainer [2024-10-15 00:13:45,961 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:13:45,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:13:45,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:13:45,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:13:45,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:13:43" (3/4) ... [2024-10-15 00:13:45,964 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:13:45,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:13:45,966 INFO L158 Benchmark]: Toolchain (without parser) took 2800.46ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 94.4MB in the beginning and 101.5MB in the end (delta: -7.1MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,966 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:13:45,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.55ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 133.8MB in the end (delta: -39.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.27ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 131.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,967 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,968 INFO L158 Benchmark]: RCFGBuilder took 224.82ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 118.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,968 INFO L158 Benchmark]: BuchiAutomizer took 2124.26ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 118.2MB in the beginning and 102.5MB in the end (delta: 15.7MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,968 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 213.9MB. Free memory was 102.5MB in the beginning and 101.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:13:45,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.55ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 133.8MB in the end (delta: -39.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.27ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 131.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 224.82ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 118.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2124.26ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 118.2MB in the beginning and 102.5MB in the end (delta: 15.7MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 213.9MB. Free memory was 102.5MB in the beginning and 101.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~t!offset * 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). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 8 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp112 ukn62 mio100 lsp42 div100 bol100 ite100 ukn100 eq154 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 76ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:13:45,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-15 00:13:46,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE