./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/wcsrchr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/wcsrchr.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:17:12,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:17:12,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:17:12,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:17:12,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:17:12,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:17:12,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:17:12,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:17:12,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:17:12,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:17:12,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:17:12,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:17:12,311 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:17:12,313 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:17:12,313 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:17:12,314 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:17:12,314 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:17:12,314 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:17:12,314 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:17:12,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:17:12,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:17:12,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:17:12,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:17:12,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:17:12,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:17:12,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:17:12,320 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:17:12,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:17:12,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:17:12,320 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:17:12,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:17:12,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:17:12,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:17:12,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:17:12,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:17:12,322 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:17:12,323 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc [2024-10-12 00:17:12,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:17:12,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:17:12,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:17:12,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:17:12,629 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:17:12,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2024-10-12 00:17:14,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:17:14,425 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:17:14,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2024-10-12 00:17:14,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63e775c0c/6ef6c1499c9240088ac9c86d7d3a4ae2/FLAG8c64b5311 [2024-10-12 00:17:14,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63e775c0c/6ef6c1499c9240088ac9c86d7d3a4ae2 [2024-10-12 00:17:14,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:17:14,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:17:14,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:17:14,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:17:14,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:17:14,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:17:14" (1/1) ... [2024-10-12 00:17:14,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ca1482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:14, skipping insertion in model container [2024-10-12 00:17:14,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:17:14" (1/1) ... [2024-10-12 00:17:14,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:17:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:17:14,898 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:17:14,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:17:15,001 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:17:15,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15 WrapperNode [2024-10-12 00:17:15,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:17:15,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:17:15,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:17:15,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:17:15,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,042 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2024-10-12 00:17:15,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:17:15,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:17:15,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:17:15,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:17:15,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,076 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-10-12 00:17:15,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:17:15,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:17:15,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:17:15,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:17:15,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (1/1) ... [2024-10-12 00:17:15,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:15,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:15,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:15,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:17:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:17:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:17:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:17:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:17:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:17:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:17:15,306 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:17:15,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:17:15,461 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-12 00:17:15,462 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:17:15,477 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:17:15,480 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:17:15,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:15 BoogieIcfgContainer [2024-10-12 00:17:15,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:17:15,482 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:17:15,482 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:17:15,486 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:17:15,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:15,488 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:17:14" (1/3) ... [2024-10-12 00:17:15,488 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e7580e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:17:15, skipping insertion in model container [2024-10-12 00:17:15,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:15,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:17:15" (2/3) ... [2024-10-12 00:17:15,489 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e7580e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:17:15, skipping insertion in model container [2024-10-12 00:17:15,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:17:15,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:15" (3/3) ... [2024-10-12 00:17:15,492 INFO L332 chiAutomizerObserver]: Analyzing ICFG wcsrchr.i [2024-10-12 00:17:15,557 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:17:15,558 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:17:15,558 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:17:15,558 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:17:15,558 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:17:15,558 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:17:15,558 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:17:15,559 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:17:15,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:15,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:17:15,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:15,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:15,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:17:15,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:17:15,591 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:17:15,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:15,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:17:15,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:17:15,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:17:15,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 00:17:15,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:17:15,602 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1;havoc main_#t~nondet5#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11#L515true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4 * main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + 4 * (main_~in_len~0#1 - 1), 4);havoc main_#t~nondet7#1;main_~needle~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_wcsrchr } true;wcsrchr_#in~wcs#1.base, wcsrchr_#in~wcs#1.offset, wcsrchr_#in~wc#1 := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1;havoc wcsrchr_#res#1.base, wcsrchr_#res#1.offset;havoc wcsrchr_#t~mem2#1, wcsrchr_#t~mem3#1, wcsrchr_#t~pre4#1.base, wcsrchr_#t~pre4#1.offset, wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, wcsrchr_~wc#1, wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset;wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset := wcsrchr_#in~wcs#1.base, wcsrchr_#in~wcs#1.offset;wcsrchr_~wc#1 := wcsrchr_#in~wc#1;wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset := 0, 0; 9#L508-4true [2024-10-12 00:17:15,603 INFO L747 eck$LassoCheckResult]: Loop: 9#L508-4true call wcsrchr_#t~mem2#1 := read~int#0(wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, 4); 5#L508-1true assume !!(0 != wcsrchr_#t~mem2#1);havoc wcsrchr_#t~mem2#1;call wcsrchr_#t~mem3#1 := read~int#0(wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, 4); 8#L509true assume wcsrchr_#t~mem3#1 == wcsrchr_~wc#1;havoc wcsrchr_#t~mem3#1;wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset := wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset; 6#L508-3true wcsrchr_#t~pre4#1.base, wcsrchr_#t~pre4#1.offset := wcsrchr_~wcs#1.base, 4 + wcsrchr_~wcs#1.offset;wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset := wcsrchr_~wcs#1.base, 4 + wcsrchr_~wcs#1.offset;havoc wcsrchr_#t~pre4#1.base, wcsrchr_#t~pre4#1.offset; 9#L508-4true [2024-10-12 00:17:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-12 00:17:15,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538576445] [2024-10-12 00:17:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:15,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:15,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1267210, now seen corresponding path program 1 times [2024-10-12 00:17:15,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:15,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532051497] [2024-10-12 00:17:15,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:15,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:15,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:15,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1806876973, now seen corresponding path program 1 times [2024-10-12 00:17:15,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:17:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306009522] [2024-10-12 00:17:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:17:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:17:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:17:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:17:15,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:17:16,577 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:17:16,578 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:17:16,578 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:17:16,578 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:17:16,579 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:17:16,579 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:16,579 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:17:16,579 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:17:16,579 INFO L132 ssoRankerPreferences]: Filename of dumped script: wcsrchr.i_Iteration1_Lasso [2024-10-12 00:17:16,579 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:17:16,579 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:17:16,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:16,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:17:17,230 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:17:17,235 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:17:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:17:17,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:17,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:17:17,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:17:17,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:17:17,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:17:17,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:17:17,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:17:17,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,419 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:17:17,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,441 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,459 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:17:17,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:17:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,504 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:17:17,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,522 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:17:17,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,535 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:17:17,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:17:17,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,562 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:17:17,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:17:17,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:17:17,590 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 [2024-10-12 00:17:17,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:17:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,616 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:17:17,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:17:17,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:17:17,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:17:17,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:17:17,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:17:17,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:17:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,643 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:17:17,645 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 [2024-10-12 00:17:17,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:17:17,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:17:17,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:17:17,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:17:17,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:17:17,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:17:17,680 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:17:17,744 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-12 00:17:17,744 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-12 00:17:17,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:17:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:17:17,748 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:17:17,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:17:17,751 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:17:17,764 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:17:17,765 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:17:17,766 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_wcsrchr_~wcs#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1) = -1*ULTIMATE.start_wcsrchr_~wcs#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 Supporting invariants [] [2024-10-12 00:17:17,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:17:17,793 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-10-12 00:17:17,802 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:17:17,803 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:17:17,804 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~wcs!offset [2024-10-12 00:17:17,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:17:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:17,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:17:17,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:17:17,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:17:17,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:17:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:17:17,984 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:17:17,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:18,065 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 6 states. [2024-10-12 00:17:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:17:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:17:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-10-12 00:17:18,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-12 00:17:18,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:18,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-12 00:17:18,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:18,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 8 letters. [2024-10-12 00:17:18,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:17:18,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-10-12 00:17:18,083 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:17:18,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-10-12 00:17:18,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:17:18,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:17:18,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:17:18,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:17:18,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:18,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:18,087 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:17:18,087 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:17:18,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:17:18,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:17:18,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:17:18,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:17:18 BoogieIcfgContainer [2024-10-12 00:17:18,095 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:17:18,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:17:18,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:17:18,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:17:18,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:17:15" (3/4) ... [2024-10-12 00:17:18,098 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:17:18,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:17:18,104 INFO L158 Benchmark]: Toolchain (without parser) took 3640.92ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 112.7MB in the beginning and 91.6MB in the end (delta: 21.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,104 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:17:18,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.02ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 127.6MB in the end (delta: -14.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 125.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,106 INFO L158 Benchmark]: Boogie Preprocessor took 54.41ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 123.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,107 INFO L158 Benchmark]: RCFGBuilder took 382.47ms. Allocated memory is still 165.7MB. Free memory was 123.9MB in the beginning and 112.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,108 INFO L158 Benchmark]: BuchiAutomizer took 2612.71ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 112.1MB in the beginning and 92.6MB in the end (delta: 19.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-10-12 00:17:18,108 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 201.3MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:17:18,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.02ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 127.6MB in the end (delta: -14.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 125.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.41ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 123.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.47ms. Allocated memory is still 165.7MB. Free memory was 123.9MB in the beginning and 112.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2612.71ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 112.1MB in the beginning and 92.6MB in the end (delta: 19.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 201.3MB. Free memory is still 91.6MB. 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: ~wcs!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital129 mio100 ax100 hnf100 lsp100 ukn85 mio100 lsp53 div100 bol100 ite100 ukn100 eq164 hnf91 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 122ms VariablesStem: 6 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:17:18,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 00:17:18,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE