./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml', '-i', '../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'f27f7de04bee74889a56bbf881837a58685d2698bd59f8238a4f64af197ab581'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f27f7de04bee74889a56bbf881837a58685d2698bd59f8238a4f64af197ab581 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:54:44,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:54:44,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-07 23:54:44,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:54:44,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:54:44,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:54:44,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:54:44,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:54:44,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:54:44,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:54:44,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:54:44,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:54:44,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:54:44,202 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-07 23:54:44,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-07 23:54:44,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-07 23:54:44,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:54:44,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:54:44,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:54:44,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:54:44,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:54:44,205 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-07 23:54:44,205 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> f27f7de04bee74889a56bbf881837a58685d2698bd59f8238a4f64af197ab581 [2024-11-07 23:54:44,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:54:44,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:54:44,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:54:44,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:54:44,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:54:44,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2024-11-07 23:54:45,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:54:46,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:54:46,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2024-11-07 23:54:46,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e867aa37/1b573a6d4ee24dd68d49c2aa3349c259/FLAG68bb10dcf [2024-11-07 23:54:46,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e867aa37/1b573a6d4ee24dd68d49c2aa3349c259 [2024-11-07 23:54:46,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:54:46,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:54:46,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:54:46,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:54:46,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:54:46,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a87082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46, skipping insertion in model container [2024-11-07 23:54:46,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:54:46,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:54:46,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:54:46,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:54:46,429 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:54:46,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46 WrapperNode [2024-11-07 23:54:46,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:54:46,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:54:46,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:54:46,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:54:46,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,462 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2024-11-07 23:54:46,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:54:46,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:54:46,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:54:46,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:54:46,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,480 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 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]. [2024-11-07 23:54:46,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:54:46,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:54:46,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:54:46,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:54:46,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (1/1) ... [2024-11-07 23:54:46,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:46,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:46,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:46,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-07 23:54:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:54:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:54:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:54:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:54:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:54:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:54:46,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:54:46,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:54:46,710 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-07 23:54:46,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:54:46,718 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:54:46,719 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 23:54:46,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:54:46 BoogieIcfgContainer [2024-11-07 23:54:46,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:54:46,721 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-07 23:54:46,721 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-07 23:54:46,725 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-07 23:54:46,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:54:46,726 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:54:46" (1/3) ... [2024-11-07 23:54:46,727 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d3563b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:54:46, skipping insertion in model container [2024-11-07 23:54:46,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:54:46,727 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:46" (2/3) ... [2024-11-07 23:54:46,728 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d3563b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:54:46, skipping insertion in model container [2024-11-07 23:54:46,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:54:46,729 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:54:46" (3/3) ... [2024-11-07 23:54:46,730 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr_diffterm_alloca.i [2024-11-07 23:54:46,782 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-07 23:54:46,783 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-07 23:54:46,783 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-07 23:54:46,783 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-07 23:54:46,783 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-07 23:54:46,783 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-07 23:54:46,783 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-07 23:54:46,783 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-07 23:54:46,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:54:46,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-07 23:54:46,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:54:46,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:54:46,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-07 23:54:46,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:54:46,804 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-07 23:54:46,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:54:46,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-07 23:54:46,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:54:46,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:54:46,805 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-07 23:54:46,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-07 23:54:46,811 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~nondet210#1, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~nondet212#1, main_#t~ret213#1.base, main_#t~ret213#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet210#1;main_~length~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1; 8#L372true assume !(main_~length~0#1 < 1); 10#L372-2true call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int#0(49, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet212#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet212#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~mem205#1, cstrchr_#t~mem206#1, cstrchr_#t~short207#1, cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset, cstrchr_#t~mem209#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 11#L366-5true [2024-11-07 23:54:46,811 INFO L747 eck$LassoCheckResult]: Loop: 11#L366-5true call cstrchr_#t~mem205#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := 49 != cstrchr_#t~mem205#1; 9#L366-1true assume cstrchr_#t~short207#1;call cstrchr_#t~mem206#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := cstrchr_#t~mem206#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 6#L366-3true assume !!cstrchr_#t~short207#1;havoc cstrchr_#t~mem205#1;havoc cstrchr_#t~mem206#1;havoc cstrchr_#t~short207#1;cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post208#1.base, 1 + cstrchr_#t~post208#1.offset; 11#L366-5true [2024-11-07 23:54:46,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:54:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-11-07 23:54:46,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:54:46,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350840990] [2024-11-07 23:54:46,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:54:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:54:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:46,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:54:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:46,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:54:46,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:54:46,928 INFO L85 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2024-11-07 23:54:46,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:54:46,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339979271] [2024-11-07 23:54:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:54:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:54:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:46,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:54:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:46,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:54:46,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:54:46,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2024-11-07 23:54:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:54:46,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215346525] [2024-11-07 23:54:46,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:54:46,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:54:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:47,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:54:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:54:47,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:54:47,628 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:54:47,628 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:54:47,628 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:54:47,629 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:54:47,629 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:54:47,630 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:47,630 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:54:47,630 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:54:47,630 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrchr_diffterm_alloca.i_Iteration1_Lasso [2024-11-07 23:54:47,630 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:54:47,630 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:54:47,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:47,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:54:48,369 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:54:48,373 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:54:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-07 23:54:48,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-07 23:54:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-07 23:54:48,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-07 23:54:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-07 23:54:48,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,462 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-07 23:54:48,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-07 23:54:48,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-07 23:54:48,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,504 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-07 23:54:48,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-07 23:54:48,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,530 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-07 23:54:48,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-07 23:54:48,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-07 23:54:48,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-07 23:54:48,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,594 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-07 23:54:48,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,611 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-07 23:54:48,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-07 23:54:48,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,637 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-07 23:54:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,650 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-07 23:54:48,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,664 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-07 23:54:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,676 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-07 23:54:48,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:54:48,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,690 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-07 23:54:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,704 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-07 23:54:48,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:54:48,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,716 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2024-11-07 23:54:48,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,732 INFO L401 nArgumentSynthesizer]: We have 14 Motzkin's Theorem applications. [2024-11-07 23:54:48,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:54:48,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:54:48,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-07 23:54:48,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,755 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-07 23:54:48,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:54:48,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:54:48,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:54:48,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:54:48,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:54:48,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:54:48,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:54:48,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:54:48,801 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-07 23:54:48,804 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-07 23:54:48,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:54:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:54:48,815 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-07 23:54:48,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-07 23:54:48,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:54:48,832 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-07 23:54:48,833 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:54:48,833 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc211#1.base)_1) = -1*ULTIMATE.start_cstrchr_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc211#1.base)_1 Supporting invariants [] [2024-11-07 23:54:48,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-07 23:54:48,860 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-11-07 23:54:48,869 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-11-07 23:54:48,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-07 23:54:48,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-07 23:54:48,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:54:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:54:48,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:54:48,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:54:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:54:48,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 23:54:48,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:54:48,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:54:49,000 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-07 23:54:49,001 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:54:49,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-07 23:54:49,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 6 states. [2024-11-07 23:54:49,089 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 [2024-11-07 23:54:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:54:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-07 23:54:49,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-07 23:54:49,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:54:49,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-07 23:54:49,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:54:49,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-07 23:54:49,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:54:49,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2024-11-07 23:54:49,102 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:54:49,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2024-11-07 23:54:49,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:54:49,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:54:49,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:54:49,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:54:49,105 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:54:49,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:54:49,105 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:54:49,105 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-07 23:54:49,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-07 23:54:49,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:54:49,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-07 23:54:49,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:54:49 BoogieIcfgContainer [2024-11-07 23:54:49,113 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-07 23:54:49,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:54:49,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:54:49,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:54:49,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:54:46" (3/4) ... [2024-11-07 23:54:49,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 23:54:49,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:54:49,122 INFO L158 Benchmark]: Toolchain (without parser) took 3045.47ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 91.1MB in the beginning and 132.9MB in the end (delta: -41.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-07 23:54:49,122 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:54:49,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.81ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:54:49,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:54:49,123 INFO L158 Benchmark]: Boogie Preprocessor took 29.51ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:54:49,123 INFO L158 Benchmark]: RCFGBuilder took 227.11ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 59.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:54:49,123 INFO L158 Benchmark]: BuchiAutomizer took 2392.33ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 132.9MB in the end (delta: -73.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:54:49,123 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 167.8MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:54:49,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.81ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.51ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 227.11ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 59.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2392.33ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 132.9MB in the end (delta: -73.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 167.8MB. Free memory is still 132.9MB. 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: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * 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 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital140 mio100 ax100 hnf100 lsp100 ukn77 mio100 lsp37 div157 bol100 ite100 ukn100 eq147 hnf97 smp63 dnf975 smp32 tf101 neg100 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 7 SupportingInvariants: 0 MotzkinApplications: 14 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! [2024-11-07 23:54:49,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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