./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/atoll-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/atoll-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:56:26,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:56:26,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:56:26,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:56:26,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:56:26,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:56:26,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:56:26,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:56:26,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:56:26,449 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:56:26,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:56:26,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:56:26,450 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:56:26,451 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:56:26,451 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:56:26,451 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:56:26,451 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:56:26,452 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:56:26,452 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:56:26,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:56:26,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:56:26,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:56:26,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:56:26,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:56:26,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:56:26,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:56:26,458 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:56:26,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:56:26,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:56:26,458 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:56:26,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:56:26,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:56:26,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:56:26,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:56:26,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:56:26,463 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:56:26,464 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 [2024-11-12 20:56:26,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:56:26,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:56:26,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:56:26,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:56:26,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:56:26,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/atoll-2.i [2024-11-12 20:56:28,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:56:28,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:56:28,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/atoll-2.i [2024-11-12 20:56:28,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b965e4715/3c427798351b4c78ab284956fe8be311/FLAG17b42cdab [2024-11-12 20:56:28,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b965e4715/3c427798351b4c78ab284956fe8be311 [2024-11-12 20:56:28,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:56:28,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:56:28,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:56:28,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:56:28,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:56:28,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:56:28" (1/1) ... [2024-11-12 20:56:28,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2644d566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:28, skipping insertion in model container [2024-11-12 20:56:28,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:56:28" (1/1) ... [2024-11-12 20:56:28,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:56:29,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:56:29,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:56:29,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:56:29,327 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:56:29,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29 WrapperNode [2024-11-12 20:56:29,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:56:29,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:56:29,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:56:29,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:56:29,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,368 INFO L138 Inliner]: procedures = 112, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-12 20:56:29,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:56:29,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:56:29,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:56:29,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:56:29,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,395 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-12 20:56:29,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:56:29,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:56:29,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:56:29,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:56:29,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (1/1) ... [2024-11-12 20:56:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:29,452 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) [2024-11-12 20:56:29,455 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 [2024-11-12 20:56:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:56:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:56:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 20:56:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:56:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:56:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:56:29,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:56:29,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:56:29,753 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 20:56:29,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:56:29,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:56:29,768 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 20:56:29,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:56:29 BoogieIcfgContainer [2024-11-12 20:56:29,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:56:29,773 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:56:29,774 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:56:29,777 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:56:29,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:56:29,778 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:56:28" (1/3) ... [2024-11-12 20:56:29,778 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26029314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:56:29, skipping insertion in model container [2024-11-12 20:56:29,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:56:29,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:56:29" (2/3) ... [2024-11-12 20:56:29,779 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26029314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:56:29, skipping insertion in model container [2024-11-12 20:56:29,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:56:29,779 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:56:29" (3/3) ... [2024-11-12 20:56:29,780 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoll-2.i [2024-11-12 20:56:29,825 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:56:29,825 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:56:29,825 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:56:29,825 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:56:29,825 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:56:29,825 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:56:29,825 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:56:29,826 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:56:29,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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) [2024-11-12 20:56:29,847 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-12 20:56:29,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:56:29,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:56:29,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:56:29,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:56:29,853 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:56:29,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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) [2024-11-12 20:56:29,856 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-12 20:56:29,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:56:29,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:56:29,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:56:29,857 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:56:29,864 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" [2024-11-12 20:56:29,864 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;" "main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" [2024-11-12 20:56:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-12 20:56:29,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:29,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953522985] [2024-11-12 20:56:29,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:29,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:29,991 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:30,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:30,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2024-11-12 20:56:30,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:30,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704649699] [2024-11-12 20:56:30,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:30,056 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:30,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:30,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:30,079 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2024-11-12 20:56:30,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:30,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246512094] [2024-11-12 20:56:30,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:30,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:30,122 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:30,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:30,546 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:56:30,547 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:56:30,547 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:56:30,547 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:56:30,548 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:56:30,548 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:30,548 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:56:30,548 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:56:30,548 INFO L132 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration1_Lasso [2024-11-12 20:56:30,548 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:56:30,549 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:56:30,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:30,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:31,034 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:56:31,038 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:56:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,041 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) [2024-11-12 20:56:31,043 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 [2024-11-12 20:56:31,044 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 [2024-11-12 20:56:31,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:31,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:31,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:31,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:31,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:31,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:31,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:31,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:31,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-12 20:56:31,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,084 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) [2024-11-12 20:56:31,085 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 [2024-11-12 20:56:31,086 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 [2024-11-12 20:56:31,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:31,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:31,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:31,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:31,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:31,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:31,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:31,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 20:56:31,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,135 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) [2024-11-12 20:56:31,137 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 [2024-11-12 20:56:31,138 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 [2024-11-12 20:56:31,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:31,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:31,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:31,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:31,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:31,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:31,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:31,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:31,164 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 [2024-11-12 20:56:31,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,166 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) [2024-11-12 20:56:31,166 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 [2024-11-12 20:56:31,168 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 [2024-11-12 20:56:31,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:31,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:31,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:31,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:31,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:31,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:31,192 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:31,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-12 20:56:31,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,205 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) [2024-11-12 20:56:31,206 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 [2024-11-12 20:56:31,207 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 [2024-11-12 20:56:31,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:31,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:31,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:31,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:31,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:31,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:31,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:56:31,287 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-12 20:56:31,287 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-11-12 20:56:31,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:31,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,302 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) [2024-11-12 20:56:31,304 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 [2024-11-12 20:56:31,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:56:31,320 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 20:56:31,322 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:56:31,323 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2024-11-12 20:56:31,338 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 [2024-11-12 20:56:31,348 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-12 20:56:31,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:31,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:56:31,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:31,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:56:31,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:56:31,453 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 [2024-11-12 20:56:31,455 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-12 20:56:31,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 42 states and 59 transitions. Complement of second has 6 states. [2024-11-12 20:56:31,503 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 [2024-11-12 20:56:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-12 20:56:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2024-11-12 20:56:31,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 20:56:31,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:31,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 20:56:31,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:31,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-12 20:56:31,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:31,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2024-11-12 20:56:31,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:31,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 17 states and 24 transitions. [2024-11-12 20:56:31,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-12 20:56:31,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-12 20:56:31,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2024-11-12 20:56:31,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:56:31,523 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-11-12 20:56:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2024-11-12 20:56:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-12 20:56:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2024-11-12 20:56:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2024-11-12 20:56:31,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-11-12 20:56:31,549 INFO L426 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-11-12 20:56:31,550 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:56:31,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2024-11-12 20:56:31,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:31,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:56:31,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:56:31,551 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-12 20:56:31,551 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:56:31,552 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~in_len~0#1);" "havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1;" [2024-11-12 20:56:31,553 INFO L749 eck$LassoCheckResult]: Loop: "call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1);" "assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;" [2024-11-12 20:56:31,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,553 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2024-11-12 20:56:31,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:31,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127649578] [2024-11-12 20:56:31,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:31,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:56:31,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127649578] [2024-11-12 20:56:31,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127649578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:56:31,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188288267] [2024-11-12 20:56:31,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:56:31,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:31,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:56:31,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 20:56:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:31,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 20:56:31,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:31,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:56:31,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188288267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:56:31,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:56:31,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 20:56:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447632182] [2024-11-12 20:56:31,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:56:31,736 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 20:56:31,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2024-11-12 20:56:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:31,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528766238] [2024-11-12 20:56:31,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:31,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:56:31,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:56:31,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:56:31,797 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:56:31,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:56:31,814 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-12 20:56:31,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-11-12 20:56:31,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:31,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2024-11-12 20:56:31,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-12 20:56:31,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-12 20:56:31,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-12 20:56:31,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:56:31,816 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-12 20:56:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-12 20:56:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-11-12 20:56:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-12 20:56:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-12 20:56:31,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 20:56:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:56:31,818 INFO L426 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-12 20:56:31,819 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:56:31,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-11-12 20:56:31,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:31,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:56:31,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:56:31,820 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:56:31,820 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:56:31,820 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;" "main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~in_len~0#1);" "havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1;" [2024-11-12 20:56:31,820 INFO L749 eck$LassoCheckResult]: Loop: "call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1);" "assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;" [2024-11-12 20:56:31,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2024-11-12 20:56:31,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:31,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348053475] [2024-11-12 20:56:31,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:31,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2024-11-12 20:56:31,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:31,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450044517] [2024-11-12 20:56:31,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,887 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:31,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:31,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:31,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2024-11-12 20:56:31,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:31,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115717725] [2024-11-12 20:56:31,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:32,014 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 [2024-11-12 20:56:32,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:56:32,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115717725] [2024-11-12 20:56:32,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115717725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:56:32,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025172415] [2024-11-12 20:56:32,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:32,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:56:32,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:32,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:56:32,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 20:56:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:32,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 20:56:32,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:32,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 20:56:32,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-12 20:56:32,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:56:32,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-11-12 20:56:32,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-12 20:56:32,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025172415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:56:32,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:56:32,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2024-11-12 20:56:32,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88509187] [2024-11-12 20:56:32,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:56:32,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:56:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 20:56:32,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-12 20:56:32,580 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 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) [2024-11-12 20:56:32,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:56:32,689 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2024-11-12 20:56:32,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2024-11-12 20:56:32,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:32,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2024-11-12 20:56:32,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-11-12 20:56:32,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-11-12 20:56:32,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-11-12 20:56:32,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:56:32,691 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-12 20:56:32,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-11-12 20:56:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2024-11-12 20:56:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-11-12 20:56:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2024-11-12 20:56:32,693 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-11-12 20:56:32,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:56:32,694 INFO L426 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-11-12 20:56:32,694 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 20:56:32,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2024-11-12 20:56:32,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 20:56:32,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:56:32,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:56:32,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-12 20:56:32,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 20:56:32,696 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;" "main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;" "main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~in_len~0#1);" "havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1;" [2024-11-12 20:56:32,696 INFO L749 eck$LassoCheckResult]: Loop: "call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1);" "assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;" [2024-11-12 20:56:32,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299088, now seen corresponding path program 2 times [2024-11-12 20:56:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:32,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290296522] [2024-11-12 20:56:32,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,712 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:32,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 3 times [2024-11-12 20:56:32,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:32,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379762825] [2024-11-12 20:56:32,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:32,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,736 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:32,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633579, now seen corresponding path program 2 times [2024-11-12 20:56:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:56:32,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560324240] [2024-11-12 20:56:32,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:56:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:56:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:56:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:56:32,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:56:33,364 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:56:33,364 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:56:33,364 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:56:33,364 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:56:33,364 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:56:33,364 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,364 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:56:33,364 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:56:33,364 INFO L132 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration4_Lasso [2024-11-12 20:56:33,364 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:56:33,364 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:56:33,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:56:33,801 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:56:33,801 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:56:33,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,803 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) [2024-11-12 20:56:33,805 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 [2024-11-12 20:56:33,807 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 [2024-11-12 20:56:33,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:33,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:33,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:33,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-12 20:56:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,837 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) [2024-11-12 20:56:33,838 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 [2024-11-12 20:56:33,839 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 [2024-11-12 20:56:33,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:33,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:33,857 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-12 20:56:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,875 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) [2024-11-12 20:56:33,877 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 [2024-11-12 20:56:33,878 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 [2024-11-12 20:56:33,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:33,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:33,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:33,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,908 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 [2024-11-12 20:56:33,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,909 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) [2024-11-12 20:56:33,917 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 [2024-11-12 20:56:33,917 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 [2024-11-12 20:56:33,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:33,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:33,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:33,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,939 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 [2024-11-12 20:56:33,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,941 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) [2024-11-12 20:56:33,942 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 [2024-11-12 20:56:33,942 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 [2024-11-12 20:56:33,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:33,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:33,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:33,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-12 20:56:33,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,969 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) [2024-11-12 20:56:33,970 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 [2024-11-12 20:56:33,971 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 [2024-11-12 20:56:33,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:33,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:33,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:33,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:33,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:33,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:33,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:33,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:33,992 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 [2024-11-12 20:56:33,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:33,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:33,993 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) [2024-11-12 20:56:33,994 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 [2024-11-12 20:56:33,995 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 [2024-11-12 20:56:34,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,018 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 [2024-11-12 20:56:34,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,019 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:56:34,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-12 20:56:34,021 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 [2024-11-12 20:56:34,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:34,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,044 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) [2024-11-12 20:56:34,045 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 [2024-11-12 20:56:34,046 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 [2024-11-12 20:56:34,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,074 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 [2024-11-12 20:56:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,076 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) [2024-11-12 20:56:34,077 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 [2024-11-12 20:56:34,078 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 [2024-11-12 20:56:34,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,103 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 [2024-11-12 20:56:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,104 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) [2024-11-12 20:56:34,105 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 [2024-11-12 20:56:34,106 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 [2024-11-12 20:56:34,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,117 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,127 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 [2024-11-12 20:56:34,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,129 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) [2024-11-12 20:56:34,129 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 [2024-11-12 20:56:34,130 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 [2024-11-12 20:56:34,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,157 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 [2024-11-12 20:56:34,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,159 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) [2024-11-12 20:56:34,160 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 [2024-11-12 20:56:34,161 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 [2024-11-12 20:56:34,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:56:34,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:56:34,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:56:34,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,182 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 [2024-11-12 20:56:34,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,184 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) [2024-11-12 20:56:34,186 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 [2024-11-12 20:56:34,187 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 [2024-11-12 20:56:34,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:34,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:34,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,222 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 [2024-11-12 20:56:34,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,225 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) [2024-11-12 20:56:34,227 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 [2024-11-12 20:56:34,228 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 [2024-11-12 20:56:34,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:34,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:34,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:34,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,264 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) [2024-11-12 20:56:34,266 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 [2024-11-12 20:56:34,267 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 [2024-11-12 20:56:34,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:34,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:34,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:56:34,306 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 [2024-11-12 20:56:34,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,308 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) [2024-11-12 20:56:34,309 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 [2024-11-12 20:56:34,310 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 [2024-11-12 20:56:34,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:56:34,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:56:34,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:56:34,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:56:34,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:56:34,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:56:34,335 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:56:34,352 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-12 20:56:34,352 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-12 20:56:34,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:56:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:56:34,354 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:56:34,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-12 20:56:34,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:56:34,371 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 20:56:34,371 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:56:34,372 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoll_~s#1.offset, v_rep(select #length ULTIMATE.start_atoll_~s#1.base)_1) = -1*ULTIMATE.start_atoll_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_atoll_~s#1.base)_1 Supporting invariants [] [2024-11-12 20:56:34,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:34,396 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-12 20:56:34,398 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-11-12 20:56:34,399 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 20:56:34,399 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-12 20:56:34,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:56:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:34,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:56:34,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:56:34,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 20:56:34,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:56:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:56:34,471 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 [2024-11-12 20:56:34,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:56:34,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 51 transitions. Complement of second has 6 states. [2024-11-12 20:56:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-12 20:56:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:56:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-12 20:56:34,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-12 20:56:34,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:34,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-12 20:56:34,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:34,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-12 20:56:34,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:56:34,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2024-11-12 20:56:34,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:56:34,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-11-12 20:56:34,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:56:34,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:56:34,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:56:34,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:56:34,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:56:34,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:56:34,514 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:56:34,514 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 20:56:34,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:56:34,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:56:34,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:56:34,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:56:34 BoogieIcfgContainer [2024-11-12 20:56:34,523 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:56:34,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:56:34,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:56:34,524 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:56:34,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:56:29" (3/4) ... [2024-11-12 20:56:34,527 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:56:34,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:56:34,528 INFO L158 Benchmark]: Toolchain (without parser) took 5677.40ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 85.1MB in the beginning and 127.7MB in the end (delta: -42.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,530 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:56:34,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.15ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 113.5MB in the end (delta: -28.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.35ms. Allocated memory is still 155.2MB. Free memory was 113.5MB in the beginning and 111.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,531 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,531 INFO L158 Benchmark]: RCFGBuilder took 358.25ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 95.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,531 INFO L158 Benchmark]: BuchiAutomizer took 4749.66ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 95.1MB in the beginning and 127.7MB in the end (delta: -32.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-12 20:56:34,531 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:56:34,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.15ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 113.5MB in the end (delta: -28.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.35ms. Allocated memory is still 155.2MB. Free memory was 113.5MB in the beginning and 111.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.25ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 95.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 4749.66ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 95.1MB in the beginning and 127.7MB in the end (delta: -32.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + in_len) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 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, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 55 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital155 mio100 ax100 hnf100 lsp109 ukn50 mio100 lsp44 div143 bol100 ite100 ukn100 eq169 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 1 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! [2024-11-12 20:56:34,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:34,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:34,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 20:56:35,155 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