./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4a390ef5 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-15/cstrlen_diffterm_alloca.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 c025debcc565a2dee63ce0651143a120d30d92e148bf87ae3ffecb509f27f776 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:57:04,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:57:05,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-24 23:57:05,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:57:05,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:57:05,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:57:05,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:57:05,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:57:05,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:57:05,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:57:05,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:57:05,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:57:05,059 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:57:05,060 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-24 23:57:05,061 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-24 23:57:05,061 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-24 23:57:05,061 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-24 23:57:05,061 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-24 23:57:05,062 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-24 23:57:05,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:57:05,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-24 23:57:05,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:57:05,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:57:05,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-24 23:57:05,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-24 23:57:05,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-24 23:57:05,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:57:05,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:57:05,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:57:05,067 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-24 23:57:05,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:57:05,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:57:05,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:57:05,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:57:05,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:57:05,069 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-24 23:57:05,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c025debcc565a2dee63ce0651143a120d30d92e148bf87ae3ffecb509f27f776 [2024-10-24 23:57:05,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:57:05,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:57:05,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:57:05,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:57:05,354 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:57:05,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca.i [2024-10-24 23:57:06,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:57:06,996 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:57:06,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca.i [2024-10-24 23:57:07,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baa96efc6/7948634258d44c9084784eb66c7eaf29/FLAG87e728f26 [2024-10-24 23:57:07,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baa96efc6/7948634258d44c9084784eb66c7eaf29 [2024-10-24 23:57:07,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:57:07,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:57:07,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:57:07,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:57:07,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:57:07,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a10466c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07, skipping insertion in model container [2024-10-24 23:57:07,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:57:07,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:57:07,424 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:57:07,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:57:07,504 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:57:07,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07 WrapperNode [2024-10-24 23:57:07,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:57:07,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:57:07,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:57:07,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:57:07,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,547 INFO L138 Inliner]: procedures = 152, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-10-24 23:57:07,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:57:07,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:57:07,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:57:07,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:57:07,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,575 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 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]. [2024-10-24 23:57:07,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:57:07,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:57:07,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:57:07,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:57:07,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (1/1) ... [2024-10-24 23:57:07,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:07,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:07,631 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) [2024-10-24 23:57:07,634 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 [2024-10-24 23:57:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:57:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:57:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:57:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:57:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:57:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:57:07,794 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:57:07,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:57:07,907 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-24 23:57:07,907 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:57:07,918 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:57:07,918 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 23:57:07,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:57:07 BoogieIcfgContainer [2024-10-24 23:57:07,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:57:07,920 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-24 23:57:07,920 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-24 23:57:07,923 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-24 23:57:07,924 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:57:07,924 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.10 11:57:07" (1/3) ... [2024-10-24 23:57:07,925 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341cbb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:57:07, skipping insertion in model container [2024-10-24 23:57:07,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:57:07,925 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:57:07" (2/3) ... [2024-10-24 23:57:07,926 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341cbb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:57:07, skipping insertion in model container [2024-10-24 23:57:07,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:57:07,926 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:57:07" (3/3) ... [2024-10-24 23:57:07,927 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrlen_diffterm_alloca.i [2024-10-24 23:57:07,971 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-24 23:57:07,972 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-24 23:57:07,972 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-24 23:57:07,972 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-24 23:57:07,972 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-24 23:57:07,972 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-24 23:57:07,972 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-24 23:57:07,973 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-24 23:57:07,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:57:07,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:57:07,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:57:07,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:57:07,994 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-24 23:57:07,994 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:57:07,995 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-24 23:57:07,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:57:07,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:57:07,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:57:07,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:57:07,996 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-24 23:57:07,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:57:08,003 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet207#1, main_#t~malloc208#1.base, main_#t~malloc208#1.offset, main_#t~ret209#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet207#1;main_~length1~0#1 := main_#t~nondet207#1;havoc main_#t~nondet207#1; 11#L373true assume !(main_~length1~0#1 < 1); 9#L373-2true call main_#t~malloc208#1.base, main_#t~malloc208#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc208#1.base, main_#t~malloc208#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem205#1, cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 2#L367-3true [2024-10-24 23:57:08,004 INFO L747 eck$LassoCheckResult]: Loop: 2#L367-3true call cstrlen_#t~mem205#1 := read~int#0(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 10#L367-1true assume !!(49 != cstrlen_#t~mem205#1);havoc cstrlen_#t~mem205#1;cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post206#1.base, 1 + cstrlen_#t~post206#1.offset; 2#L367-3true [2024-10-24 23:57:08,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:57:08,009 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-10-24 23:57:08,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:57:08,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926573785] [2024-10-24 23:57:08,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:57:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:57:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:57:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:57:08,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:57:08,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2024-10-24 23:57:08,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:57:08,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941190456] [2024-10-24 23:57:08,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:57:08,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:57:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:57:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:57:08,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:57:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2024-10-24 23:57:08,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:57:08,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37541058] [2024-10-24 23:57:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:57:08,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:57:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:57:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:57:08,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:57:08,787 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:57:08,788 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:57:08,788 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:57:08,789 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:57:08,789 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:57:08,789 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:08,789 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:57:08,790 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:57:08,790 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrlen_diffterm_alloca.i_Iteration1_Lasso [2024-10-24 23:57:08,790 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:57:08,790 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:57:08,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:08,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:57:09,353 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:57:09,357 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:57:09,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,361 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) [2024-10-24 23:57:09,363 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 [2024-10-24 23:57:09,365 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 [2024-10-24 23:57:09,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:57:09,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:57:09,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:57:09,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,395 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 [2024-10-24 23:57:09,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,397 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) [2024-10-24 23:57:09,398 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 [2024-10-24 23:57:09,399 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 [2024-10-24 23:57:09,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:57:09,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:57:09,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:57:09,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,424 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 [2024-10-24 23:57:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,425 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) [2024-10-24 23:57:09,427 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 [2024-10-24 23:57:09,427 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 [2024-10-24 23:57:09,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:57:09,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:57:09,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-24 23:57:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,463 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) [2024-10-24 23:57:09,464 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 [2024-10-24 23:57:09,465 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 [2024-10-24 23:57:09,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:57:09,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:57:09,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:57:09,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,496 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 [2024-10-24 23:57:09,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,499 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) [2024-10-24 23:57:09,501 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 [2024-10-24 23:57:09,502 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 [2024-10-24 23:57:09,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:57:09,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:57:09,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:57:09,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,534 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 [2024-10-24 23:57:09,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,537 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) [2024-10-24 23:57:09,538 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 [2024-10-24 23:57:09,540 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 [2024-10-24 23:57:09,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:57:09,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:57:09,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:57:09,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:57:09,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-24 23:57:09,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,572 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) [2024-10-24 23:57:09,573 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 [2024-10-24 23:57:09,573 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 [2024-10-24 23:57:09,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:57:09,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:57:09,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:57:09,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:57:09,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:57:09,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:57:09,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:57:09,649 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-24 23:57:09,649 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-10-24 23:57:09,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:57:09,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:57:09,662 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) [2024-10-24 23:57:09,663 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 [2024-10-24 23:57:09,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:57:09,681 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-24 23:57:09,681 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:57:09,682 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc208#1.base)_1, ULTIMATE.start_cstrlen_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc208#1.base)_1 - 1*ULTIMATE.start_cstrlen_~p~0#1.offset Supporting invariants [] [2024-10-24 23:57:09,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-24 23:57:09,716 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2024-10-24 23:57:09,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-24 23:57:09,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-24 23:57:09,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-10-24 23:57:09,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:57:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:57:09,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 23:57:09,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:57:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:57:09,792 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 23:57:09,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:57:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:57:09,843 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 [2024-10-24 23:57:09,845 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-10-24 23:57:09,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 19 states and 22 transitions. Complement of second has 6 states. [2024-10-24 23:57:09,904 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 [2024-10-24 23:57:09,910 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) [2024-10-24 23:57:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-24 23:57:09,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-24 23:57:09,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:57:09,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-24 23:57:09,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:57:09,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-24 23:57:09,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:57:09,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2024-10-24 23:57:09,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:57:09,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-10-24 23:57:09,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-24 23:57:09,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-24 23:57:09,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-24 23:57:09,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:57:09,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:57:09,919 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:57:09,919 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:57:09,919 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-24 23:57:09,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-24 23:57:09,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:57:09,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-24 23:57:09,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.10 11:57:09 BoogieIcfgContainer [2024-10-24 23:57:09,926 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-24 23:57:09,926 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:57:09,926 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:57:09,926 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:57:09,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:57:07" (3/4) ... [2024-10-24 23:57:09,928 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 23:57:09,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:57:09,930 INFO L158 Benchmark]: Toolchain (without parser) took 2909.00ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 120.5MB in the beginning and 113.1MB in the end (delta: 7.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,931 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 96.5MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:57:09,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.80ms. Allocated memory is still 172.0MB. Free memory was 120.5MB in the beginning and 101.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.33ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,932 INFO L158 Benchmark]: Boogie Preprocessor took 41.47ms. Allocated memory is still 172.0MB. Free memory was 99.0MB in the beginning and 97.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,933 INFO L158 Benchmark]: RCFGBuilder took 327.53ms. Allocated memory is still 172.0MB. Free memory was 97.4MB in the beginning and 133.5MB in the end (delta: -36.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,933 INFO L158 Benchmark]: BuchiAutomizer took 2005.94ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 133.1MB in the beginning and 113.1MB in the end (delta: 20.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2024-10-24 23:57:09,933 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 207.6MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:57:09,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 96.5MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.80ms. Allocated memory is still 172.0MB. Free memory was 120.5MB in the beginning and 101.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.33ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.47ms. Allocated memory is still 172.0MB. Free memory was 99.0MB in the beginning and 97.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.53ms. Allocated memory is still 172.0MB. Free memory was 97.4MB in the beginning and 133.5MB in the end (delta: -36.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2005.94ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 133.1MB in the beginning and 113.1MB in the end (delta: 20.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 207.6MB. Free memory is still 113.1MB. There was no memory consumed. 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: ~p~0!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 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital120 mio100 ax100 hnf100 lsp97 ukn83 mio100 lsp51 div100 bol100 ite100 ukn100 eq160 hnf91 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-24 23:57:09,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-24 23:57:10,164 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