./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/openbsd_cmemchr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:31:01,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:31:02,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:31:02,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:31:02,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:31:02,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:31:02,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:31:02,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:31:02,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:31:02,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:31:02,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:31:02,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:31:02,039 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:31:02,040 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:31:02,041 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:31:02,041 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:31:02,041 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:31:02,041 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:31:02,042 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:31:02,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:31:02,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:31:02,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:31:02,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:31:02,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:31:02,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:31:02,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:31:02,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:31:02,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:31:02,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:31:02,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:31:02,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:31:02,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:31:02,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:31:02,049 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:31:02,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2024-11-09 15:31:02,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:31:02,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:31:02,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:31:02,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:31:02,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:31:02,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2024-11-09 15:31:03,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:31:03,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:31:03,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2024-11-09 15:31:03,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f1a9ca46/33ce970f244e40a188bbc7c9064e01f3/FLAG6035e6fb6 [2024-11-09 15:31:04,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f1a9ca46/33ce970f244e40a188bbc7c9064e01f3 [2024-11-09 15:31:04,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:31:04,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:31:04,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:31:04,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:31:04,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:31:04,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45745a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04, skipping insertion in model container [2024-11-09 15:31:04,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:31:04,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:31:04,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:31:04,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:31:04,349 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:31:04,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04 WrapperNode [2024-11-09 15:31:04,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:31:04,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:31:04,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:31:04,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:31:04,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,383 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-09 15:31:04,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:31:04,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:31:04,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:31:04,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:31:04,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,409 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-09 15:31:04,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:31:04,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:31:04,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:31:04,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:31:04,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (1/1) ... [2024-11-09 15:31:04,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:04,443 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 15:31:04,445 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 15:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 15:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 15:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:31:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:31:04,554 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:31:04,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:31:04,636 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 15:31:04,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:31:04,647 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:31:04,648 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 15:31:04,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:31:04 BoogieIcfgContainer [2024-11-09 15:31:04,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:31:04,649 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:31:04,649 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:31:04,653 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:31:04,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:31:04,653 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:31:04" (1/3) ... [2024-11-09 15:31:04,654 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a68c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:31:04, skipping insertion in model container [2024-11-09 15:31:04,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:31:04,654 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:31:04" (2/3) ... [2024-11-09 15:31:04,655 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a68c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:31:04, skipping insertion in model container [2024-11-09 15:31:04,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:31:04,656 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:31:04" (3/3) ... [2024-11-09 15:31:04,656 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-2.i [2024-11-09 15:31:04,699 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:31:04,699 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:31:04,699 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:31:04,699 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:31:04,700 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:31:04,700 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:31:04,700 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:31:04,700 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:31:04,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 15:31:04,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-09 15:31:04,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:31:04,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:31:04,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:31:04,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:31:04,720 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:31:04,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 15:31:04,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-09 15:31:04,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:31:04,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:31:04,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-09 15:31:04,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:31:04,728 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 7#L529true assume !(main_~length~0#1 < 1); 16#L529-2true assume !(main_~n~0#1 < 1); 2#L532-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L537-3true [2024-11-09 15:31:04,728 INFO L747 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 14#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 6#L537-3true [2024-11-09 15:31:04,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:04,732 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-09 15:31:04,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:04,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661849211] [2024-11-09 15:31:04,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:04,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:04,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2024-11-09 15:31:04,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:04,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161958375] [2024-11-09 15:31:04,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:04,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:04,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:04,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2024-11-09 15:31:04,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:04,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846915582] [2024-11-09 15:31:04,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:04,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:04,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:05,180 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:31:05,181 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:31:05,181 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:31:05,181 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:31:05,181 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:31:05,181 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,182 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:31:05,182 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:31:05,182 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration1_Lasso [2024-11-09 15:31:05,182 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:31:05,182 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:31:05,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:05,532 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:31:05,535 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:31:05,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,538 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 15:31:05,539 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 15:31:05,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:31:05,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,556 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,568 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 15:31:05,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,572 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 15:31:05,573 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 15:31:05,575 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 15:31:05,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,600 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 15:31:05,601 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 15:31:05,601 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 15:31:05,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:31:05,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:31:05,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,629 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 15:31:05,630 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 15:31:05,630 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 15:31:05,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,653 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 15:31:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,656 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 15:31:05,657 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 15:31:05,664 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 15:31:05,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:31:05,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:31:05,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,692 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 15:31:05,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,694 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 15:31:05,695 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 15:31:05,696 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 15:31:05,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,719 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 15:31:05,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,721 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 15:31:05,722 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 15:31:05,723 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 15:31:05,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,750 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 15:31:05,753 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 15:31:05,754 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 15:31:05,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,783 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 15:31:05,784 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 15:31:05,785 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 15:31:05,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,797 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,809 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 15:31:05,810 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 15:31:05,811 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 15:31:05,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,823 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,834 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 15:31:05,834 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 15:31:05,835 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 15:31:05,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,857 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 15:31:05,858 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 15:31:05,858 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 15:31:05,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:31:05,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:31:05,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,885 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 15:31:05,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,887 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 15:31:05,888 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 15:31:05,889 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 15:31:05,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:05,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:05,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:05,900 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:05,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:05,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,911 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 15:31:05,912 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 15:31:05,914 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 15:31:05,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:05,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:05,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:05,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:05,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:31:05,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:31:05,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:31:05,981 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-09 15:31:05,982 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-09 15:31:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:05,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:05,984 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 15:31:05,985 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 15:31:05,986 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:31:05,998 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-09 15:31:05,998 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:31:05,999 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetArea~0#1.offset >= 0] [2024-11-09 15:31:06,012 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 15:31:06,032 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-09 15:31:06,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 15:31:06,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 15:31:06,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:06,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:31:06,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:31:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:06,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:31:06,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:31:06,121 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 15:31:06,145 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 15:31:06,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:31:06,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:06,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 33 states and 46 transitions. Complement of second has 6 states. [2024-11-09 15:31:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:31:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:31:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-11-09 15:31:06,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-09 15:31:06,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:06,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-09 15:31:06,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:06,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-09 15:31:06,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:06,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-11-09 15:31:06,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:06,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 18 transitions. [2024-11-09 15:31:06,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-09 15:31:06,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-09 15:31:06,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-09 15:31:06,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:31:06,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-09 15:31:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-09 15:31:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 15:31:06,254 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 15:31:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-09 15:31:06,257 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-09 15:31:06,257 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-09 15:31:06,257 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:31:06,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-09 15:31:06,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:06,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:31:06,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:31:06,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:31:06,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:31:06,260 INFO L745 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 124#L529 assume !(main_~length~0#1 < 1); 125#L529-2 assume !(main_~n~0#1 < 1); 118#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 119#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 120#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 121#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 127#L518-4 [2024-11-09 15:31:06,260 INFO L747 eck$LassoCheckResult]: Loop: 127#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 128#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 131#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 129#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 127#L518-4 [2024-11-09 15:31:06,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,262 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2024-11-09 15:31:06,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:06,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611531774] [2024-11-09 15:31:06,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:06,370 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 15:31:06,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:31:06,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611531774] [2024-11-09 15:31:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611531774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:31:06,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:31:06,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:31:06,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885445754] [2024-11-09 15:31:06,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:31:06,374 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:31:06,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 1 times [2024-11-09 15:31:06,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:06,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051451023] [2024-11-09 15:31:06,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:06,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:31:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:31:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:31:06,469 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 15:31:06,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:31:06,487 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2024-11-09 15:31:06,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2024-11-09 15:31:06,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:06,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2024-11-09 15:31:06,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-09 15:31:06,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-09 15:31:06,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-11-09 15:31:06,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:31:06,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-09 15:31:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-11-09 15:31:06,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-09 15:31:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 15:31:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-11-09 15:31:06,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-09 15:31:06,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:31:06,491 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-09 15:31:06,491 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:31:06,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-11-09 15:31:06,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:06,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:31:06,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:31:06,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:31:06,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:31:06,492 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 160#L529 assume !(main_~length~0#1 < 1); 161#L529-2 assume !(main_~n~0#1 < 1); 154#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 155#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 158#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 159#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 156#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 157#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 163#L518-4 [2024-11-09 15:31:06,492 INFO L747 eck$LassoCheckResult]: Loop: 163#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 164#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 167#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 165#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 163#L518-4 [2024-11-09 15:31:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2024-11-09 15:31:06,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:06,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119547532] [2024-11-09 15:31:06,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:06,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 2 times [2024-11-09 15:31:06,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:06,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156828908] [2024-11-09 15:31:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:06,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:06,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1308516218, now seen corresponding path program 1 times [2024-11-09 15:31:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:06,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256353341] [2024-11-09 15:31:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:31:06,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:31:06,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256353341] [2024-11-09 15:31:06,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256353341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:31:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254222897] [2024-11-09 15:31:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:06,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:31:06,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:06,760 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:31:06,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 15:31:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:06,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 15:31:06,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:31:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:31:06,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:31:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:31:06,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254222897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:31:06,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:31:06,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-09 15:31:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207596939] [2024-11-09 15:31:06,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:31:07,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:31:07,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 15:31:07,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 15:31:07,035 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 states have internal predecessors, (30), 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 15:31:07,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:31:07,130 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-09 15:31:07,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2024-11-09 15:31:07,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:07,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 19 transitions. [2024-11-09 15:31:07,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-09 15:31:07,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-09 15:31:07,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2024-11-09 15:31:07,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:31:07,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 15:31:07,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2024-11-09 15:31:07,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-09 15:31:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 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 15:31:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-09 15:31:07,132 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-09 15:31:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 15:31:07,133 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-09 15:31:07,133 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:31:07,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-11-09 15:31:07,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:31:07,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:31:07,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:31:07,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:31:07,134 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-09 15:31:07,134 INFO L745 eck$LassoCheckResult]: Stem: 316#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 310#L529 assume !(main_~length~0#1 < 1); 311#L529-2 assume !(main_~n~0#1 < 1); 303#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 304#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 307#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 308#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 309#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 318#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 305#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 306#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 313#L518-4 [2024-11-09 15:31:07,134 INFO L747 eck$LassoCheckResult]: Loop: 313#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 314#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 317#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 315#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 313#L518-4 [2024-11-09 15:31:07,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times [2024-11-09 15:31:07,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:07,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690575328] [2024-11-09 15:31:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:07,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 3 times [2024-11-09 15:31:07,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:07,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603796379] [2024-11-09 15:31:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:07,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:07,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:07,174 INFO L85 PathProgramCache]: Analyzing trace with hash -24116136, now seen corresponding path program 2 times [2024-11-09 15:31:07,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:31:07,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572501570] [2024-11-09 15:31:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:31:07,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:31:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:31:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:31:07,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:31:07,478 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:31:07,479 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:31:07,479 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:31:07,479 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:31:07,479 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:31:07,479 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:07,479 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:31:07,479 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:31:07,479 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration4_Lasso [2024-11-09 15:31:07,479 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:31:07,479 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:31:07,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:07,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:31:08,008 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:31:08,008 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:31:08,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,010 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 15:31:08,011 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 15:31:08,012 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 15:31:08,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,024 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,034 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 15:31:08,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,035 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 15:31:08,036 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 15:31:08,037 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 15:31:08,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,049 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:08,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,060 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 15:31:08,061 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 15:31:08,062 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 15:31:08,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:08,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,084 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 15:31:08,085 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 15:31:08,085 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 15:31:08,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,106 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 15:31:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,107 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 15:31:08,108 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 15:31:08,109 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 15:31:08,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,131 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 15:31:08,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,133 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 15:31:08,134 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 15:31:08,134 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 15:31:08,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-09 15:31:08,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,160 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 15:31:08,161 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 15:31:08,161 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 15:31:08,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:31:08,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:31:08,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:31:08,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:31:08,182 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 15:31:08,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,183 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 15:31:08,184 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 15:31:08,185 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 15:31:08,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:31:08,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:31:08,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:31:08,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:31:08,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:31:08,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:31:08,209 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:31:08,226 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-09 15:31:08,226 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-09 15:31:08,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:31:08,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:31:08,228 INFO L229 MonitoredProcess]: Starting monitored process 26 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 15:31:08,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-09 15:31:08,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:31:08,241 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-09 15:31:08,241 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:31:08,241 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~p~0#1.offset) = -2*ULTIMATE.start_cmemchr_~p~0#1.offset + 8589934589 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 + 4294967295 >= 0] [2024-11-09 15:31:08,252 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 15:31:08,261 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2024-11-09 15:31:08,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-09 15:31:08,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:31:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:08,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 15:31:08,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:31:08,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15:31:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:31:08,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 15:31:08,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:31:08,422 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 15:31:08,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-09 15:31:08,422 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-09 15:31:08,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:31:08,449 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 22 transitions. Complement of second has 6 states. [2024-11-09 15:31:08,449 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 15:31:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:31:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-11-09 15:31:08,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-09 15:31:08,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:08,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-09 15:31:08,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:08,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-09 15:31:08,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:31:08,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2024-11-09 15:31:08,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:31:08,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-09 15:31:08,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:31:08,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:31:08,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:31:08,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:31:08,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:31:08,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:31:08,452 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:31:08,452 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:31:08,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:31:08,452 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:31:08,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:31:08,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:31:08 BoogieIcfgContainer [2024-11-09 15:31:08,457 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:31:08,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:31:08,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:31:08,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:31:08,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:31:04" (3/4) ... [2024-11-09 15:31:08,460 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:31:08,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:31:08,461 INFO L158 Benchmark]: Toolchain (without parser) took 4420.52ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 100.0MB in the beginning and 179.5MB in the end (delta: -79.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:31:08,461 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:31:08,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.79ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 81.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 15:31:08,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.00ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:31:08,462 INFO L158 Benchmark]: Boogie Preprocessor took 32.03ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 77.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:31:08,462 INFO L158 Benchmark]: RCFGBuilder took 229.69ms. Allocated memory is still 155.2MB. Free memory was 77.1MB in the beginning and 64.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 15:31:08,462 INFO L158 Benchmark]: BuchiAutomizer took 3808.94ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 64.4MB in the beginning and 180.5MB in the end (delta: -116.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:31:08,462 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 222.3MB. Free memory is still 179.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:31:08,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.79ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 81.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.00ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.03ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 77.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.69ms. Allocated memory is still 155.2MB. Free memory was 77.1MB in the beginning and 64.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3808.94ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 64.4MB in the beginning and 180.5MB in the end (delta: -116.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 222.3MB. Free memory is still 179.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 38 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax117 hnf100 lsp85 ukn82 mio100 lsp56 div207 bol100 ite100 ukn100 eq154 hnf93 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:31:08,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 15:31:08,691 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