./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.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 b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:00:56,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:00:56,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 17:00:56,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:00:56,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:00:56,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:00:56,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:00:56,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:00:56,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:00:56,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:00:56,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:00:56,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:00:56,368 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:00:56,369 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:00:56,369 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:00:56,369 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:00:56,370 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:00:56,370 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:00:56,370 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:00:56,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:00:56,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:00:56,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:00:56,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:00:56,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:00:56,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:00:56,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:00:56,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:00:56,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:00:56,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:00:56,376 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:00:56,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:00:56,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:00:56,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:00:56,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:00:56,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:00:56,378 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:00:56,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f [2024-10-13 17:00:56,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:00:56,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:00:56,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:00:56,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:00:56,675 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:00:56,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2024-10-13 17:00:58,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:00:58,307 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:00:58,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2024-10-13 17:00:58,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9fa27ba/287c3f9c9da44bfc83f0d6a434d79ca9/FLAG5feaed971 [2024-10-13 17:00:58,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9fa27ba/287c3f9c9da44bfc83f0d6a434d79ca9 [2024-10-13 17:00:58,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:00:58,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:00:58,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:00:58,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:00:58,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:00:58,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:58" (1/1) ... [2024-10-13 17:00:58,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f5d2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:58, skipping insertion in model container [2024-10-13 17:00:58,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:58" (1/1) ... [2024-10-13 17:00:58,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:00:58,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:00:59,004 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:00:59,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:00:59,072 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:00:59,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59 WrapperNode [2024-10-13 17:00:59,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:00:59,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:00:59,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:00:59,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:00:59,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,114 INFO L138 Inliner]: procedures = 110, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-10-13 17:00:59,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:00:59,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:00:59,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:00:59,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:00:59,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,140 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [8, 2]. 80 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [4, 1]. [2024-10-13 17:00:59,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:00:59,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:00:59,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:00:59,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:00:59,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (1/1) ... [2024-10-13 17:00:59,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:00:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:00:59,179 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) [2024-10-13 17:00:59,181 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 [2024-10-13 17:00:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:00:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:00:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:00:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:00:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:00:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:00:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:00:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:00:59,302 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:00:59,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:00:59,400 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-13 17:00:59,401 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:00:59,411 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:00:59,412 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 17:00:59,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:59 BoogieIcfgContainer [2024-10-13 17:00:59,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:00:59,414 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:00:59,414 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:00:59,418 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:00:59,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:00:59,420 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:00:58" (1/3) ... [2024-10-13 17:00:59,421 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b3aaf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:00:59, skipping insertion in model container [2024-10-13 17:00:59,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:00:59,421 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:59" (2/3) ... [2024-10-13 17:00:59,421 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b3aaf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:00:59, skipping insertion in model container [2024-10-13 17:00:59,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:00:59,422 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:59" (3/3) ... [2024-10-13 17:00:59,423 INFO L332 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2024-10-13 17:00:59,483 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:00:59,484 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:00:59,484 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:00:59,484 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:00:59,485 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:00:59,485 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:00:59,485 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:00:59,486 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:00:59,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:00:59,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:00:59,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:00:59,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:00:59,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:00:59,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-13 17:00:59,512 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:00:59,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:00:59,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:00:59,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:00:59,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:00:59,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:00:59,514 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-13 17:00:59,519 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#1(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 9#L558-2true [2024-10-13 17:00:59,520 INFO L747 eck$LassoCheckResult]: Loop: 9#L558-2true call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 11#L552-1true assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 3#L553true assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 8#L553-2true call main_#t~mem10#1 := read~int#1(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 6#L558true assume 0 != main_#t~mem10#1;havoc main_#t~mem10#1;call write~int#0(0, main_~x~0#1.base, main_~x~0#1.offset, 4); 9#L558-2true [2024-10-13 17:00:59,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:00:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:00:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:00:59,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857915261] [2024-10-13 17:00:59,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:00:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:00:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:00:59,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:00:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:00:59,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:00:59,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:00:59,675 INFO L85 PathProgramCache]: Analyzing trace with hash 35468238, now seen corresponding path program 1 times [2024-10-13 17:00:59,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:00:59,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311377999] [2024-10-13 17:00:59,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:00:59,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:00:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:00:59,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:00:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:00:59,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:00:59,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:00:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907724, now seen corresponding path program 1 times [2024-10-13 17:00:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:00:59,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220290316] [2024-10-13 17:00:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:00:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:00:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:00:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:00:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:00:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220290316] [2024-10-13 17:00:59,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220290316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:00:59,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:00:59,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:00:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148477816] [2024-10-13 17:00:59,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:01:00,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:01:00,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:01:00,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:01:00,270 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:00,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:01:00,308 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-10-13 17:01:00,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-10-13 17:01:00,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:00,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2024-10-13 17:01:00,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-13 17:01:00,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-13 17:01:00,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-10-13 17:01:00,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:01:00,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-13 17:01:00,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-10-13 17:01:00,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-10-13 17:01:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-10-13 17:01:00,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-13 17:01:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:01:00,349 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-13 17:01:00,349 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:01:00,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-10-13 17:01:00,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:00,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:01:00,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:01:00,351 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:01:00,351 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-13 17:01:00,351 INFO L745 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#1(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 39#L558-2 [2024-10-13 17:01:00,352 INFO L747 eck$LassoCheckResult]: Loop: 39#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 42#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 36#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 37#L553-2 call main_#t~mem10#1 := read~int#1(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 38#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 39#L558-2 [2024-10-13 17:01:00,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:00,353 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-13 17:01:00,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:00,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963182359] [2024-10-13 17:01:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:00,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:00,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash 35468240, now seen corresponding path program 1 times [2024-10-13 17:01:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:00,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995708880] [2024-10-13 17:01:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:00,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:00,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907726, now seen corresponding path program 1 times [2024-10-13 17:01:00,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:00,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580056572] [2024-10-13 17:01:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:00,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:00,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:00,866 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:01:00,867 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:01:00,867 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:01:00,867 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:01:00,868 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:01:00,868 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:00,868 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:01:00,868 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:01:00,868 INFO L132 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration2_Lasso [2024-10-13 17:01:00,868 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:01:00,869 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:01:00,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:00,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:01,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:01,468 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:01:01,472 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:01:01,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,475 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) [2024-10-13 17:01:01,476 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 [2024-10-13 17:01:01,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,509 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 [2024-10-13 17:01:01,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,512 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) [2024-10-13 17:01:01,514 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 [2024-10-13 17:01:01,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,546 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 [2024-10-13 17:01:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,550 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) [2024-10-13 17:01:01,551 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 [2024-10-13 17:01:01,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-13 17:01:01,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,592 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) [2024-10-13 17:01:01,594 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 [2024-10-13 17:01:01,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,611 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,625 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 [2024-10-13 17:01:01,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,650 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) [2024-10-13 17:01:01,655 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 [2024-10-13 17:01:01,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,693 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 [2024-10-13 17:01:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,696 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) [2024-10-13 17:01:01,697 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 [2024-10-13 17:01:01,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,716 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,733 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 [2024-10-13 17:01:01,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,735 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:01,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 17:01:01,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 17:01:01,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,772 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:01,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-13 17:01:01,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:01,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,801 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) [2024-10-13 17:01:01,804 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 [2024-10-13 17:01:01,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:01,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:01,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:01,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:01,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,846 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) [2024-10-13 17:01:01,847 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 [2024-10-13 17:01:01,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,869 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,884 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 [2024-10-13 17:01:01,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,887 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) [2024-10-13 17:01:01,889 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 [2024-10-13 17:01:01,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-13 17:01:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,935 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) [2024-10-13 17:01:01,936 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 [2024-10-13 17:01:01,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:01,970 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 [2024-10-13 17:01:01,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:01,972 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) [2024-10-13 17:01:01,972 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 [2024-10-13 17:01:01,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:01,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:01,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:01,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:01,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:01,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:01,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:01,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:02,009 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 [2024-10-13 17:01:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,012 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) [2024-10-13 17:01:02,015 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 [2024-10-13 17:01:02,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:02,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:02,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:02,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:02,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:02,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:02,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:02,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:02,054 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 [2024-10-13 17:01:02,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,057 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) [2024-10-13 17:01:02,059 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 [2024-10-13 17:01:02,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:02,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:02,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:02,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:02,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:02,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:02,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:02,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:02,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-13 17:01:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,100 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) [2024-10-13 17:01:02,102 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 [2024-10-13 17:01:02,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:02,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:02,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:02,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:02,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:02,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:02,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:02,122 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:02,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-13 17:01:02,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,138 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) [2024-10-13 17:01:02,140 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 [2024-10-13 17:01:02,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:02,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:02,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:02,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:02,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:02,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:02,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:02,162 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:02,177 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 [2024-10-13 17:01:02,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,180 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) [2024-10-13 17:01:02,181 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 [2024-10-13 17:01:02,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:02,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:02,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:02,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:02,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:02,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:02,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:02,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:02,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:01:02,208 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 17:01:02,208 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-13 17:01:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:02,212 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) [2024-10-13 17:01:02,213 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 [2024-10-13 17:01:02,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:01:02,214 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 17:01:02,214 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:01:02,215 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 + 255 Supporting invariants [] [2024-10-13 17:01:02,228 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 [2024-10-13 17:01:02,258 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-13 17:01:02,266 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-13 17:01:02,268 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-13 17:01:02,268 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-13 17:01:02,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:01:02,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:01:02,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:01:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:01:02,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:01:02,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:01:02,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 34 treesize of output 18 [2024-10-13 17:01:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:01:02,420 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-13 17:01:02,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:02,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 9 states. [2024-10-13 17:01:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 17:01:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2024-10-13 17:01:02,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2024-10-13 17:01:02,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:02,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2024-10-13 17:01:02,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:02,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2024-10-13 17:01:02,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:02,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2024-10-13 17:01:02,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:02,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2024-10-13 17:01:02,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-13 17:01:02,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-13 17:01:02,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2024-10-13 17:01:02,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:01:02,482 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-13 17:01:02,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2024-10-13 17:01:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-13 17:01:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-10-13 17:01:02,486 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-13 17:01:02,486 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-13 17:01:02,486 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:01:02,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-10-13 17:01:02,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:02,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:01:02,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:01:02,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-13 17:01:02,487 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-13 17:01:02,487 INFO L745 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#1(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 163#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 161#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 150#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 151#L553-2 [2024-10-13 17:01:02,488 INFO L747 eck$LassoCheckResult]: Loop: 151#L553-2 call main_#t~mem10#1 := read~int#1(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 158#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 166#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 164#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 165#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 151#L553-2 [2024-10-13 17:01:02,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2024-10-13 17:01:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:02,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814265612] [2024-10-13 17:01:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:02,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:02,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 2 times [2024-10-13 17:01:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:02,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696304227] [2024-10-13 17:01:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:02,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash 705693312, now seen corresponding path program 1 times [2024-10-13 17:01:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:02,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740817898] [2024-10-13 17:01:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:02,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:02,995 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:01:02,995 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:01:02,995 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:01:02,995 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:01:02,995 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:01:02,995 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:02,995 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:01:02,996 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:01:02,996 INFO L132 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration3_Lasso [2024-10-13 17:01:02,996 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:01:02,996 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:01:03,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,035 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 [2024-10-13 17:01:03,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:01:03,557 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:01:03,557 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:01:03,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,559 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) [2024-10-13 17:01:03,563 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 [2024-10-13 17:01:03,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,595 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 [2024-10-13 17:01:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,598 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) [2024-10-13 17:01:03,600 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 [2024-10-13 17:01:03,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,633 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 [2024-10-13 17:01:03,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,636 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) [2024-10-13 17:01:03,637 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 [2024-10-13 17:01:03,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,669 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 [2024-10-13 17:01:03,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,671 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) [2024-10-13 17:01:03,672 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 [2024-10-13 17:01:03,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,689 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,703 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 [2024-10-13 17:01:03,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,706 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) [2024-10-13 17:01:03,707 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 [2024-10-13 17:01:03,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,742 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) [2024-10-13 17:01:03,743 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 [2024-10-13 17:01:03,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:03,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:03,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,775 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 [2024-10-13 17:01:03,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,777 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) [2024-10-13 17:01:03,777 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 [2024-10-13 17:01:03,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:03,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:03,792 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,807 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 [2024-10-13 17:01:03,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,809 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-13 17:01:03,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:03,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,845 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-13 17:01:03,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-13 17:01:03,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,879 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-13 17:01:03,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:03,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:03,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:03,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,915 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-13 17:01:03,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:01:03,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:01:03,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:01:03,930 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-13 17:01:03,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,942 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-13 17:01:03,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:03,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:03,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:03,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-13 17:01:03,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:03,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:03,974 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:03,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-13 17:01:03,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:03,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:03,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:03,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:03,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:03,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:03,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:03,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:04,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:04,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:04,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:04,007 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:04,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-13 17:01:04,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:04,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:04,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:04,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:04,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:04,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:04,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:04,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:04,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-13 17:01:04,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:04,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:04,048 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:04,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:04,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-13 17:01:04,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:04,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:04,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:04,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:04,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:04,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:04,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:04,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-13 17:01:04,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:04,094 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:04,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-13 17:01:04,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:04,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:04,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:04,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:04,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:04,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:04,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:04,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:01:04,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-13 17:01:04,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:04,131 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:04,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-13 17:01:04,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:01:04,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:01:04,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:01:04,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:01:04,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:01:04,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:01:04,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:01:04,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:01:04,154 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-13 17:01:04,154 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 17:01:04,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:01:04,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:01:04,156 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:01:04,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-13 17:01:04,158 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:01:04,172 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:01:04,173 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:01:04,173 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 + 255 Supporting invariants [] [2024-10-13 17:01:04,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-13 17:01:04,213 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-13 17:01:04,215 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-13 17:01:04,215 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-13 17:01:04,215 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-13 17:01:04,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:01:04,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:01:04,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:01:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:01:04,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:01:04,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:01:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:01:04,306 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 17:01:04,307 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:04,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 32 transitions. Complement of second has 9 states. [2024-10-13 17:01:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-13 17:01:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-10-13 17:01:04,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2024-10-13 17:01:04,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:04,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2024-10-13 17:01:04,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:04,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2024-10-13 17:01:04,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:01:04,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2024-10-13 17:01:04,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:04,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2024-10-13 17:01:04,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-13 17:01:04,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:01:04,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2024-10-13 17:01:04,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:01:04,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-13 17:01:04,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2024-10-13 17:01:04,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-13 17:01:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-10-13 17:01:04,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-13 17:01:04,348 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-13 17:01:04,349 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:01:04,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2024-10-13 17:01:04,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-13 17:01:04,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:01:04,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:01:04,351 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2024-10-13 17:01:04,351 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-13 17:01:04,351 INFO L745 eck$LassoCheckResult]: Stem: 302#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~debug~0#1.base, main_~debug~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~debug~0#1.base, main_~debug~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#1(0, main_~debug~0#1.base, main_~debug~0#1.offset, 4); 307#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 313#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 291#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 292#L553-2 call main_#t~mem10#1 := read~int#1(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 310#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 304#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 305#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 308#L553 assume 0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 299#L553-2 [2024-10-13 17:01:04,351 INFO L747 eck$LassoCheckResult]: Loop: 299#L553-2 call main_#t~mem10#1 := read~int#1(main_~debug~0#1.base, main_~debug~0#1.offset, 4); 300#L558 assume !(0 != main_#t~mem10#1);havoc main_#t~mem10#1; 314#L558-2 call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 312#L552-1 assume !!(main_#t~mem5#1 < 255);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 311#L553 assume !(0 != (if main_#t~mem6#1 < 0 && 0 != main_#t~mem6#1 % 2 then main_#t~mem6#1 % 2 - 2 else main_#t~mem6#1 % 2));havoc main_#t~mem6#1;call main_#t~mem9#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1; 299#L553-2 [2024-10-13 17:01:04,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash 705693310, now seen corresponding path program 1 times [2024-10-13 17:01:04,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:04,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777635700] [2024-10-13 17:01:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:01:04,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-13 17:01:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:01:04,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:01:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777635700] [2024-10-13 17:01:04,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777635700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:01:04,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:01:04,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 17:01:04,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198664935] [2024-10-13 17:01:04,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:01:04,752 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:01:04,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:01:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 3 times [2024-10-13 17:01:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:01:04,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076812955] [2024-10-13 17:01:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:01:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:01:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:04,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:01:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:01:04,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:01:04,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:01:04,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 17:01:04,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 17:01:04,854 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:01:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:01:04,889 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-10-13 17:01:04,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2024-10-13 17:01:04,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:01:04,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2024-10-13 17:01:04,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:01:04,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:01:04,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:01:04,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:01:04,890 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:01:04,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:01:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 17:01:04,892 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:01:04,892 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 17:01:04,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 17:01:04,892 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:01:04,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:01:04,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:01:04 BoogieIcfgContainer [2024-10-13 17:01:04,898 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:01:04,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:01:04,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:01:04,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:01:04,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:59" (3/4) ... [2024-10-13 17:01:04,901 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:01:04,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:01:04,902 INFO L158 Benchmark]: Toolchain (without parser) took 6236.26ms. Allocated memory was 125.8MB in the beginning and 222.3MB in the end (delta: 96.5MB). Free memory was 56.9MB in the beginning and 114.1MB in the end (delta: -57.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,902 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 125.8MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:01:04,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.64ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 56.7MB in the beginning and 143.1MB in the end (delta: -86.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,903 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,903 INFO L158 Benchmark]: RCFGBuilder took 261.72ms. Allocated memory is still 184.5MB. Free memory was 138.9MB in the beginning and 126.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,903 INFO L158 Benchmark]: BuchiAutomizer took 5484.59ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.3MB in the beginning and 114.1MB in the end (delta: 12.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-10-13 17:01:04,903 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 222.3MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:01:04,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 125.8MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.64ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 56.7MB in the beginning and 143.1MB in the end (delta: -86.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.72ms. Allocated memory is still 184.5MB. Free memory was 138.9MB in the beginning and 126.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5484.59ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.3MB in the beginning and 114.1MB in the end (delta: 12.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 222.3MB. Free memory is still 114.1MB. 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: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 29 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax109 hnf100 lsp91 ukn66 mio100 lsp22 div285 bol100 ite100 ukn100 eq149 hnf95 smp47 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 17:01:04,927 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