./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.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 de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:25:47,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:25:48,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-09 15:25:48,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:25:48,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:25:48,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:25:48,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:25:48,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:25:48,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:25:48,036 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:25:48,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:25:48,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:25:48,037 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:25:48,037 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:25:48,037 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:25:48,037 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:25:48,038 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:25:48,038 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:25:48,038 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:25:48,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:25:48,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:25:48,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:25:48,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:25:48,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:25:48,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:25:48,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:25:48,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:25:48,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:25:48,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:25:48,041 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:25:48,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:25:48,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:25:48,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:25:48,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:25:48,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:25:48,043 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:25:48,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 [2024-11-09 15:25:48,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:25:48,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:25:48,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:25:48,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:25:48,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:25:48,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-09 15:25:49,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:25:49,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:25:49,606 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-09 15:25:49,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f572233/cd98f807d57844aab7164be27ca2f19d/FLAG52abf2189 [2024-11-09 15:25:49,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f572233/cd98f807d57844aab7164be27ca2f19d [2024-11-09 15:25:49,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:25:49,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:25:49,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:25:49,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:25:49,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:25:49,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:25:49" (1/1) ... [2024-11-09 15:25:49,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d84f448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:49, skipping insertion in model container [2024-11-09 15:25:49,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:25:49" (1/1) ... [2024-11-09 15:25:50,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:25:50,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:25:50,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:25:50,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:25:50,319 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:25:50,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50 WrapperNode [2024-11-09 15:25:50,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:25:50,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:25:50,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:25:50,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:25:50,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,348 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-09 15:25:50,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:25:50,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:25:50,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:25:50,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:25:50,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,369 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-09 15:25:50,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:25:50,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:25:50,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:25:50,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:25:50,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (1/1) ... [2024-11-09 15:25:50,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:50,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:50,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-09 15:25:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:25:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:25:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:25:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:25:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:25:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:25:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:25:50,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:25:50,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:25:50,658 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 15:25:50,658 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:25:50,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:25:50,666 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 15:25:50,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:25:50 BoogieIcfgContainer [2024-11-09 15:25:50,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:25:50,667 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:25:50,667 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:25:50,670 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:25:50,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:25:50,671 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:25:49" (1/3) ... [2024-11-09 15:25:50,671 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4ad9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:25:50, skipping insertion in model container [2024-11-09 15:25:50,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:25:50,672 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:25:50" (2/3) ... [2024-11-09 15:25:50,672 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b4ad9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:25:50, skipping insertion in model container [2024-11-09 15:25:50,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:25:50,672 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:25:50" (3/3) ... [2024-11-09 15:25:50,673 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcspn-alloca-1.i [2024-11-09 15:25:50,707 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:25:50,707 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:25:50,707 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:25:50,708 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:25:50,708 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:25:50,708 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:25:50,708 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:25:50,708 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:25:50,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-09 15:25:50,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:25:50,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:50,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:50,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:25:50,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:25:50,726 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:25:50,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-09 15:25:50,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:25:50,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:50,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:50,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:25:50,727 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:25:50,732 INFO L745 eck$LassoCheckResult]: Stem: 10#$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~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L564true assume !(main_~length1~0#1 < 1); 12#L564-2true assume !(main_~length2~0#1 < 1); 5#L567-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 8#L552-1true [2024-11-09 15:25:50,733 INFO L747 eck$LassoCheckResult]: Loop: 8#L552-1true cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 4#L555-3true assume !true; 8#L552-1true [2024-11-09 15:25:50,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-09 15:25:50,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:50,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254887970] [2024-11-09 15:25:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:50,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:50,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:50,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:50,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1586, now seen corresponding path program 1 times [2024-11-09 15:25:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:50,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110983033] [2024-11-09 15:25:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:50,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:25:50,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110983033] [2024-11-09 15:25:50,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110983033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:25:50,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:25:50,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 15:25:50,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118640895] [2024-11-09 15:25:50,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:25:50,930 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:25:50,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:25:50,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 15:25:50,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 15:25:50,953 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-11-09 15:25:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:25:50,957 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-11-09 15:25:50,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-11-09 15:25:50,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:25:50,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2024-11-09 15:25:50,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-09 15:25:50,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-09 15:25:50,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-09 15:25:50,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:25:50,962 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-09 15:25:50,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-09 15:25:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 15:25:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2024-11-09 15:25:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-09 15:25:50,990 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-09 15:25:50,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:25:50,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-09 15:25:50,999 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:25:50,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-09 15:25:51,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:25:51,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:51,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:51,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:25:51,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:25:51,001 INFO L745 eck$LassoCheckResult]: Stem: 39#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 40#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 41#L564 assume !(main_~length1~0#1 < 1); 42#L564-2 assume !(main_~length2~0#1 < 1); 36#L567-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 37#L552-1 [2024-11-09 15:25:51,013 INFO L747 eck$LassoCheckResult]: Loop: 37#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 34#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 35#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 38#L555-1 assume !(0 != cstrcspn_~sc~0#1); 37#L552-1 [2024-11-09 15:25:51,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:51,015 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2024-11-09 15:25:51,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:51,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800477640] [2024-11-09 15:25:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:51,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:51,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1512553, now seen corresponding path program 1 times [2024-11-09 15:25:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:51,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541399681] [2024-11-09 15:25:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:51,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:51,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:51,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1298319150, now seen corresponding path program 1 times [2024-11-09 15:25:51,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502479445] [2024-11-09 15:25:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:51,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:51,922 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:25:51,922 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:25:51,922 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:25:51,922 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:25:51,922 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:25:51,923 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:51,923 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:25:51,923 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:25:51,923 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration2_Lasso [2024-11-09 15:25:51,923 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:25:51,923 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:25:51,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:51,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:52,521 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:25:52,525 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:25:52,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-09 15:25:52,531 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 [2024-11-09 15:25:52,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:52,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-09 15:25:52,565 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 [2024-11-09 15:25:52,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,587 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 [2024-11-09 15:25:52,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-09 15:25:52,590 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 [2024-11-09 15:25:52,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,602 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-09 15:25:52,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-09 15:25:52,616 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 [2024-11-09 15:25:52,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,640 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-09 15:25:52,642 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 [2024-11-09 15:25:52,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,653 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,663 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 [2024-11-09 15:25:52,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,665 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-09 15:25:52,667 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 [2024-11-09 15:25:52,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,679 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-09 15:25:52,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-09 15:25:52,693 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 [2024-11-09 15:25:52,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-09 15:25:52,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-09 15:25:52,720 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 [2024-11-09 15:25:52,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:52,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:52,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:52,733 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-09 15:25:52,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-09 15:25:52,748 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 [2024-11-09 15:25:52,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:52,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:52,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-09 15:25:52,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,782 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-09 15:25:52,787 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 [2024-11-09 15:25:52,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:52,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:52,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-09 15:25:52,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,823 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-09 15:25:52,824 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 [2024-11-09 15:25:52,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:52,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:52,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:52,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-09 15:25:52,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,859 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-09 15:25:52,861 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 [2024-11-09 15:25:52,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:52,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:52,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:52,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:52,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:52,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:52,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:25:52,902 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-09 15:25:52,903 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-09 15:25:52,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:52,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:52,929 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:52,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-09 15:25:52,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:25:52,943 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:25:52,943 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:25:52,944 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_cstrcspn_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~p~0#1.offset Supporting invariants [] [2024-11-09 15:25:52,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:52,981 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-09 15:25:52,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:25:52,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:25:52,988 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 15:25:53,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:53,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 15:25:53,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:53,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:25:53,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:53,071 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 [2024-11-09 15:25:53,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:25:53,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 4 states. [2024-11-09 15:25:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:25:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:25:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-11-09 15:25:53,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-09 15:25:53,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:53,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-09 15:25:53,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:53,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-09 15:25:53,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:53,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-11-09 15:25:53,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:53,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2024-11-09 15:25:53,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-09 15:25:53,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-09 15:25:53,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2024-11-09 15:25:53,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:25:53,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-11-09 15:25:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2024-11-09 15:25:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-09 15:25:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-09 15:25:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-09 15:25:53,113 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-09 15:25:53,113 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-09 15:25:53,114 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:25:53,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-09 15:25:53,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:53,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:53,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:53,115 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:25:53,115 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:25:53,116 INFO L745 eck$LassoCheckResult]: Stem: 160#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 158#L564 assume !(main_~length1~0#1 < 1); 159#L564-2 assume !(main_~length2~0#1 < 1); 154#L567-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 155#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 163#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 151#L556 [2024-11-09 15:25:53,116 INFO L747 eck$LassoCheckResult]: Loop: 151#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 156#L555-1 assume !!(0 != cstrcspn_~sc~0#1); 150#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 151#L556 [2024-11-09 15:25:53,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:53,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935594, now seen corresponding path program 1 times [2024-11-09 15:25:53,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:53,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361992412] [2024-11-09 15:25:53,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:53,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:53,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash 57776, now seen corresponding path program 1 times [2024-11-09 15:25:53,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327392368] [2024-11-09 15:25:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:53,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1593188071, now seen corresponding path program 1 times [2024-11-09 15:25:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:53,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765959249] [2024-11-09 15:25:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:53,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:53,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-09 15:25:53,976 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:25:53,976 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:25:53,976 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:25:53,976 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:25:53,976 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:25:53,977 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:53,977 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:25:53,977 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:25:53,977 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration3_Lasso [2024-11-09 15:25:53,977 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:25:53,977 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:25:53,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:53,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:53,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:53,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:53,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:54,535 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:25:54,535 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:25:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,537 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-09 15:25:54,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:25:54,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:54,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:54,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:54,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-09 15:25:54,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-09 15:25:54,566 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 [2024-11-09 15:25:54,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:54,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:54,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:54,578 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-09 15:25:54,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,590 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-09 15:25:54,593 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 [2024-11-09 15:25:54,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:54,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:54,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:54,605 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,616 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-09 15:25:54,619 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 [2024-11-09 15:25:54,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:54,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:54,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:54,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-09 15:25:54,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,642 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-09 15:25:54,645 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 [2024-11-09 15:25:54,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:54,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:54,659 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-09 15:25:54,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,671 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-09 15:25:54,673 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 [2024-11-09 15:25:54,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:54,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:54,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-09 15:25:54,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,699 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-09 15:25:54,701 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 [2024-11-09 15:25:54,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:54,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:54,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:54,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,729 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-09 15:25:54,730 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 [2024-11-09 15:25:54,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,740 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-09 15:25:54,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,761 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-09 15:25:54,761 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-09 15:25:54,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:54,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,813 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-09 15:25:54,814 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 [2024-11-09 15:25:54,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:54,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:54,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:54,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:54,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,845 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-09 15:25:54,847 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 [2024-11-09 15:25:54,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:54,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:54,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:54,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:54,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:54,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:54,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:25:54,887 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-09 15:25:54,887 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-09 15:25:54,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:54,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:54,889 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:54,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-09 15:25:54,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:25:54,901 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:25:54,901 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:25:54,901 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~spanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2) = -1*ULTIMATE.start_cstrcspn_~spanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 Supporting invariants [] [2024-11-09 15:25:54,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-09 15:25:54,926 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-09 15:25:54,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-09 15:25:54,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:25:54,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:25:54,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:54,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:25:54,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:54,987 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:25:54,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:55,000 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-09 15:25:55,000 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:25:55,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2024-11-09 15:25:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:25:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:25:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-09 15:25:55,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-09 15:25:55,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:55,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-09 15:25:55,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:55,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-09 15:25:55,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:55,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-11-09 15:25:55,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:55,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 20 states and 25 transitions. [2024-11-09 15:25:55,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-09 15:25:55,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-09 15:25:55,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2024-11-09 15:25:55,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:25:55,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-09 15:25:55,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2024-11-09 15:25:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-09 15:25:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2024-11-09 15:25:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-09 15:25:55,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:25:55,040 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-09 15:25:55,040 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:25:55,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-09 15:25:55,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:55,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:55,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:55,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:25:55,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:25:55,041 INFO L745 eck$LassoCheckResult]: Stem: 289#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 291#L564 assume !(main_~length1~0#1 < 1); 292#L564-2 assume !(main_~length2~0#1 < 1); 287#L567-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 288#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 282#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 283#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 296#L555-1 assume !(0 != cstrcspn_~sc~0#1); 294#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 295#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 281#L556 [2024-11-09 15:25:55,041 INFO L747 eck$LassoCheckResult]: Loop: 281#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 284#L555-1 assume !!(0 != cstrcspn_~sc~0#1); 280#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 281#L556 [2024-11-09 15:25:55,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2144187922, now seen corresponding path program 2 times [2024-11-09 15:25:55,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120227515] [2024-11-09 15:25:55,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:55,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 57776, now seen corresponding path program 2 times [2024-11-09 15:25:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073786979] [2024-11-09 15:25:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:55,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1546181121, now seen corresponding path program 1 times [2024-11-09 15:25:55,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712507599] [2024-11-09 15:25:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:55,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:25:55,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712507599] [2024-11-09 15:25:55,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712507599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:25:55,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275707776] [2024-11-09 15:25:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:25:55,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:55,232 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:25:55,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 15:25:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:55,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 15:25:55,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:55,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-09 15:25:55,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 15:25:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:55,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:25:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:55,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275707776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:25:55,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:25:55,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 14 [2024-11-09 15:25:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164289921] [2024-11-09 15:25:55,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:25:55,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:25:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 15:25:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 15:25:55,476 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 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) [2024-11-09 15:25:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:25:55,534 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-11-09 15:25:55,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2024-11-09 15:25:55,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:55,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 25 states and 30 transitions. [2024-11-09 15:25:55,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-09 15:25:55,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-09 15:25:55,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2024-11-09 15:25:55,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:25:55,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-09 15:25:55,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2024-11-09 15:25:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2024-11-09 15:25:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2024-11-09 15:25:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2024-11-09 15:25:55,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 15:25:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 15:25:55,538 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2024-11-09 15:25:55,539 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:25:55,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2024-11-09 15:25:55,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:25:55,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:25:55,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:25:55,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:25:55,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:25:55,540 INFO L745 eck$LassoCheckResult]: Stem: 439#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 440#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 441#L564 assume !(main_~length1~0#1 < 1); 442#L564-2 assume !(main_~length2~0#1 < 1); 435#L567-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, cstrcspn_#t~mem5#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset, cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset, cstrcspn_~c~0#1, cstrcspn_~sc~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;havoc cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;havoc cstrcspn_~c~0#1;havoc cstrcspn_~sc~0#1;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 436#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 433#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 434#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 438#L555-1 assume !!(0 != cstrcspn_~sc~0#1); 443#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 447#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 446#L555-1 assume !(0 != cstrcspn_~sc~0#1); 444#L552-1 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset;cstrcspn_~p~0#1.base, cstrcspn_~p~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;call cstrcspn_#t~mem3#1 := read~int#0(cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~mem3#1;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset; 445#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 432#L556 [2024-11-09 15:25:55,540 INFO L747 eck$LassoCheckResult]: Loop: 432#L556 assume !(cstrcspn_~sc~0#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset;havoc cstrcspn_#t~mem5#1; 437#L555-1 assume !!(0 != cstrcspn_~sc~0#1); 431#L555-3 cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset := cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset;cstrcspn_~spanp~0#1.base, cstrcspn_~spanp~0#1.offset := cstrcspn_#t~post4#1.base, 1 + cstrcspn_#t~post4#1.offset;call cstrcspn_#t~mem5#1 := read~int#1(cstrcspn_#t~post4#1.base, cstrcspn_#t~post4#1.offset, 1);cstrcspn_~sc~0#1 := cstrcspn_#t~mem5#1; 432#L556 [2024-11-09 15:25:55,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1485076401, now seen corresponding path program 2 times [2024-11-09 15:25:55,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727188770] [2024-11-09 15:25:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:55,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,564 INFO L85 PathProgramCache]: Analyzing trace with hash 57776, now seen corresponding path program 3 times [2024-11-09 15:25:55,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85497294] [2024-11-09 15:25:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:55,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash 547081890, now seen corresponding path program 3 times [2024-11-09 15:25:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:25:55,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695809344] [2024-11-09 15:25:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:25:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:25:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:25:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:25:55,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:25:56,443 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:25:56,443 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:25:56,443 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:25:56,443 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:25:56,443 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:25:56,443 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:56,444 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:25:56,444 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:25:56,444 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcspn-alloca-1.i_Iteration5_Lasso [2024-11-09 15:25:56,444 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:25:56,444 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:25:56,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:56,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:25:57,129 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:25:57,129 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:25:57,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,131 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-09 15:25:57,136 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 [2024-11-09 15:25:57,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,159 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-09 15:25:57,165 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 [2024-11-09 15:25:57,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-09 15:25:57,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,187 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-09 15:25:57,188 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 [2024-11-09 15:25:57,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,211 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-09 15:25:57,213 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 [2024-11-09 15:25:57,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,224 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-09 15:25:57,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,236 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-09 15:25:57,237 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 [2024-11-09 15:25:57,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-09 15:25:57,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,261 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-09 15:25:57,263 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 [2024-11-09 15:25:57,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,286 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-09 15:25:57,287 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 [2024-11-09 15:25:57,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:57,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:57,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,311 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-09 15:25:57,312 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 [2024-11-09 15:25:57,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,334 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-09 15:25:57,335 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 [2024-11-09 15:25:57,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,357 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-09 15:25:57,359 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 [2024-11-09 15:25:57,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:25:57,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:25:57,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:25:57,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,380 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-09 15:25:57,382 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 [2024-11-09 15:25:57,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:57,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:57,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-09 15:25:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,409 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-09 15:25:57,411 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 [2024-11-09 15:25:57,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,421 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2024-11-09 15:25:57,421 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-09 15:25:57,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,462 INFO L401 nArgumentSynthesizer]: We have 88 Motzkin's Theorem applications. [2024-11-09 15:25:57,463 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-09 15:25:57,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:25:57,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,547 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-09 15:25:57,549 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 [2024-11-09 15:25:57,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:25:57,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:25:57,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:25:57,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:25:57,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:25:57,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:25:57,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:25:57,582 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-09 15:25:57,582 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-09 15:25:57,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:25:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:25:57,584 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:25:57,589 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:25:57,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-09 15:25:57,601 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-09 15:25:57,602 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:25:57,602 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3, ULTIMATE.start_cstrcspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 - 1*ULTIMATE.start_cstrcspn_~spanp~0#1.offset Supporting invariants [] [2024-11-09 15:25:57,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,628 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-11-09 15:25:57,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-09 15:25:57,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:25:57,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:25:57,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,713 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:57,728 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-09 15:25:57,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:57,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 27 states and 33 transitions. Complement of second has 7 states. [2024-11-09 15:25:57,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:25:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-09 15:25:57,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-09 15:25:57,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:57,760 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:25:57,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,877 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:57,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:57,889 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-09 15:25:57,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:57,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 27 states and 33 transitions. Complement of second has 7 states. [2024-11-09 15:25:57,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:25:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-09 15:25:57,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-09 15:25:57,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:57,924 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:25:57,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:25:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:25:57,993 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:25:57,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:25:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:25:58,005 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2024-11-09 15:25:58,005 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:58,043 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 32 states and 41 transitions. Complement of second has 6 states. [2024-11-09 15:25:58,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:25:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-11-09 15:25:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-09 15:25:58,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-09 15:25:58,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:58,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 17 letters. Loop has 3 letters. [2024-11-09 15:25:58,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:58,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 14 letters. Loop has 6 letters. [2024-11-09 15:25:58,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:25:58,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2024-11-09 15:25:58,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:25:58,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:25:58,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:25:58,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:25:58,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:25:58,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:25:58,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:25:58,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:25:58,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:25:58 BoogieIcfgContainer [2024-11-09 15:25:58,051 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:25:58,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:25:58,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:25:58,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:25:58,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:25:50" (3/4) ... [2024-11-09 15:25:58,054 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:25:58,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:25:58,055 INFO L158 Benchmark]: Toolchain (without parser) took 8074.73ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 78.0MB in the beginning and 194.8MB in the end (delta: -116.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:25:58,055 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:25:58,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.16ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 59.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 15:25:58,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.65ms. Allocated memory is still 151.0MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:25:58,055 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 151.0MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:25:58,056 INFO L158 Benchmark]: RCFGBuilder took 284.00ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 55.2MB in the beginning and 174.8MB in the end (delta: -119.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-09 15:25:58,056 INFO L158 Benchmark]: BuchiAutomizer took 7384.13ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 174.8MB in the beginning and 194.8MB in the end (delta: -20.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-09 15:25:58,056 INFO L158 Benchmark]: Witness Printer took 2.60ms. Allocated memory is still 257.9MB. Free memory is still 194.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:25:58,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.16ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 59.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.65ms. Allocated memory is still 151.0MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 151.0MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.00ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 55.2MB in the beginning and 174.8MB in the end (delta: -119.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7384.13ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 174.8MB in the beginning and 194.8MB in the end (delta: -20.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 2.60ms. Allocated memory is still 257.9MB. Free memory is still 194.8MB. 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~spanp~0!offset - 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: ~spanp~0!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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 6.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 76 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital223 mio100 ax108 hnf100 lsp90 ukn69 mio100 lsp28 div100 bol100 ite100 ukn100 eq173 hnf91 smp97 dnf229 smp92 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 126ms VariablesStem: 7 VariablesLoop: 7 DisjunctsStem: 6 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 88 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! [2024-11-09 15:25:58,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 15:25:58,276 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