./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/test25-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:35:39,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:35:39,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:35:39,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:35:39,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:35:39,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:35:39,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:35:39,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:35:39,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:35:39,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:35:39,821 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:35:39,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:35:39,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:35:39,822 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:35:39,822 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:35:39,823 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:35:39,823 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:35:39,823 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:35:39,823 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:35:39,823 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:35:39,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:35:39,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:35:39,825 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:35:39,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:35:39,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:35:39,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:35:39,827 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:35:39,827 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 [2025-02-08 14:35:40,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:35:40,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:35:40,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:35:40,083 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:35:40,083 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:35:40,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test25-1.c [2025-02-08 14:35:41,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69f910b30/144985787e69445b821abcad784b7822/FLAGca717418e [2025-02-08 14:35:41,517 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:35:41,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/test25-1.c [2025-02-08 14:35:41,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69f910b30/144985787e69445b821abcad784b7822/FLAGca717418e [2025-02-08 14:35:41,864 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69f910b30/144985787e69445b821abcad784b7822 [2025-02-08 14:35:41,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:35:41,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:35:41,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:35:41,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:35:41,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:35:41,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:35:41" (1/1) ... [2025-02-08 14:35:41,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f197d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:41, skipping insertion in model container [2025-02-08 14:35:41,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:35:41" (1/1) ... [2025-02-08 14:35:41,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:35:41,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:35:41,987 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:35:41,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:35:42,009 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:35:42,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42 WrapperNode [2025-02-08 14:35:42,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:35:42,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:35:42,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:35:42,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:35:42,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,033 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2025-02-08 14:35:42,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:35:42,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:35:42,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:35:42,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:35:42,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,057 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 4, 6]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2025-02-08 14:35:42,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,062 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:35:42,067 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:35:42,067 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:35:42,067 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:35:42,067 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (1/1) ... [2025-02-08 14:35:42,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:42,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:42,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:35:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 14:35:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:35:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:35:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:35:42,187 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:35:42,188 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:35:42,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: call ULTIMATE.dealloc(main_~#cont~0#1.base, main_~#cont~0#1.offset);havoc main_~#cont~0#1.base, main_~#cont~0#1.offset;call ULTIMATE.dealloc(main_~#array~0#1.base, main_~#array~0#1.offset);havoc main_~#array~0#1.base, main_~#array~0#1.offset; [2025-02-08 14:35:42,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L16: havoc check_#t~mem4#1.base, check_#t~mem4#1.offset;havoc check_#t~mem5#1;main_#t~ret16#1 := check_#res#1;havoc check_#t~mem4#1.base, check_#t~mem4#1.offset, check_#t~mem5#1, check_~pc#1.base, check_~pc#1.offset, check_~i#1;havoc check_#in~pc#1.base, check_#in~pc#1.offset, check_#in~i#1;assume { :end_inline_check } true; [2025-02-08 14:35:42,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47: assume { :begin_inline_reach_error } true;assume false;assume { :end_inline_reach_error } true;assume false;main_#res#1 := 1;call ULTIMATE.dealloc(main_~#cont~0#1.base, main_~#cont~0#1.offset);havoc main_~#cont~0#1.base, main_~#cont~0#1.offset;call ULTIMATE.dealloc(main_~#array~0#1.base, main_~#array~0#1.offset);havoc main_~#array~0#1.base, main_~#array~0#1.offset; [2025-02-08 14:35:42,333 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L39: assume 0 == main_#t~ret16#1;havoc main_#t~ret16#1; [2025-02-08 14:35:42,333 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L39: assume !(0 == main_#t~ret16#1);havoc main_#t~ret16#1; [2025-02-08 14:35:42,343 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2025-02-08 14:35:42,343 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:35:42,350 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:35:42,350 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:35:42,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:35:42 BoogieIcfgContainer [2025-02-08 14:35:42,351 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:35:42,352 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:35:42,352 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:35:42,356 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:35:42,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:42,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:35:41" (1/3) ... [2025-02-08 14:35:42,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41bdd6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:35:42, skipping insertion in model container [2025-02-08 14:35:42,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:42,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:35:42" (2/3) ... [2025-02-08 14:35:42,358 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41bdd6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:35:42, skipping insertion in model container [2025-02-08 14:35:42,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:35:42,358 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:35:42" (3/3) ... [2025-02-08 14:35:42,358 INFO L363 chiAutomizerObserver]: Analyzing ICFG test25-1.c [2025-02-08 14:35:42,397 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:35:42,397 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:35:42,397 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:35:42,397 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:35:42,397 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:35:42,397 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:35:42,397 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:35:42,398 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:35:42,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:42,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-02-08 14:35:42,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:42,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:42,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:35:42,418 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:35:42,418 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:35:42,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:42,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2025-02-08 14:35:42,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:42,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:42,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:35:42,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:35:42,422 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post9#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~pre15#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0;" [2025-02-08 14:35:42,423 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2025-02-08 14:35:42,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:42,427 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2025-02-08 14:35:42,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:42,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798283157] [2025-02-08 14:35:42,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:42,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:42,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:42,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:42,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,501 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:42,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:42,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:42,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:42,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2025-02-08 14:35:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:42,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660288285] [2025-02-08 14:35:42,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:42,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:42,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:42,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,542 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:42,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:42,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:42,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:42,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1728, now seen corresponding path program 1 times [2025-02-08 14:35:42,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:42,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62633712] [2025-02-08 14:35:42,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:42,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:42,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:42,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,582 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:42,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:42,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:42,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:42,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:42,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:43,061 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:35:43,061 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:35:43,061 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:35:43,062 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:35:43,062 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:35:43,062 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,062 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:35:43,062 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:35:43,062 INFO L132 ssoRankerPreferences]: Filename of dumped script: test25-1.c_Iteration1_Lasso [2025-02-08 14:35:43,062 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:35:43,062 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:35:43,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:35:43,594 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:35:43,597 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:35:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-08 14:35:43,605 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 [2025-02-08 14:35:43,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-08 14:35:43,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-08 14:35:43,633 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 [2025-02-08 14:35:43,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-08 14:35:43,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-08 14:35:43,655 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 [2025-02-08 14:35:43,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-08 14:35:43,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-08 14:35:43,675 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 [2025-02-08 14:35:43,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:35:43,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-08 14:35:43,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:35:43,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-08 14:35:43,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-08 14:35:43,717 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 [2025-02-08 14:35:43,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:35:43,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,736 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-08 14:35:43,750 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 [2025-02-08 14:35:43,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,763 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-08 14:35:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-08 14:35:43,771 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 [2025-02-08 14:35:43,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-08 14:35:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,791 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-08 14:35:43,797 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 [2025-02-08 14:35:43,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-08 14:35:43,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,818 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-08 14:35:43,821 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 [2025-02-08 14:35:43,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:35:43,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,844 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-08 14:35:43,848 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 [2025-02-08 14:35:43,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-08 14:35:43,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,870 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-08 14:35:43,872 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 [2025-02-08 14:35:43,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-08 14:35:43,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,894 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-08 14:35:43,896 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 [2025-02-08 14:35:43,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:43,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:43,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-08 14:35:43,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-08 14:35:43,922 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 [2025-02-08 14:35:43,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:43,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:43,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-08 14:35:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,944 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-08 14:35:43,948 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 [2025-02-08 14:35:43,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:43,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:43,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:43,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-08 14:35:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:43,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:43,975 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:43,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-08 14:35:43,979 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 [2025-02-08 14:35:43,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:43,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:43,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:43,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:43,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:43,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:43,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:43,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-08 14:35:44,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,011 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-08 14:35:44,013 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 [2025-02-08 14:35:44,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-08 14:35:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,040 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-08 14:35:44,043 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 [2025-02-08 14:35:44,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-08 14:35:44,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,068 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-08 14:35:44,070 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 [2025-02-08 14:35:44,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-08 14:35:44,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,095 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-08 14:35:44,097 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 [2025-02-08 14:35:44,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-02-08 14:35:44,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,121 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-08 14:35:44,124 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 [2025-02-08 14:35:44,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-08 14:35:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,149 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-08 14:35:44,155 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 [2025-02-08 14:35:44,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:44,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:44,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:44,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-08 14:35:44,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,181 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-08 14:35:44,184 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 [2025-02-08 14:35:44,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-08 14:35:44,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,210 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-08 14:35:44,212 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 [2025-02-08 14:35:44,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:44,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:44,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:44,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-08 14:35:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,232 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-08 14:35:44,234 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 [2025-02-08 14:35:44,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:35:44,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:35:44,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:35:44,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-08 14:35:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,256 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-08 14:35:44,259 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 [2025-02-08 14:35:44,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:35:44,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-08 14:35:44,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,280 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-08 14:35:44,281 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 [2025-02-08 14:35:44,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:35:44,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:35:44,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:35:44,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:35:44,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:35:44,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:35:44,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:35:44,313 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-02-08 14:35:44,315 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-08 14:35:44,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:35:44,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,318 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-08 14:35:44,320 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:35:44,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:35:44,330 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:35:44,331 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1) = -16*ULTIMATE.start_main_~j~0#1 + 19*v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1 Supporting invariants [] [2025-02-08 14:35:44,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-08 14:35:44,363 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-02-08 14:35:44,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:35:44,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:35:44,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:44,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:44,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:44,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:35:44,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:35:44,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:35:44,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:35:44,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:44,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:35:44,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:35:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:44,462 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-02-08 14:35:44,464 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:44,487 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 3 states. [2025-02-08 14:35:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-02-08 14:35:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. [2025-02-08 14:35:44,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 1 letters. [2025-02-08 14:35:44,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:35:44,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-08 14:35:44,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:35:44,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-08 14:35:44,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:35:44,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2025-02-08 14:35:44,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 7 states and 9 transitions. [2025-02-08 14:35:44,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-02-08 14:35:44,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-08 14:35:44,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2025-02-08 14:35:44,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:35:44,508 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-02-08 14:35:44,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2025-02-08 14:35:44,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-02-08 14:35:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2025-02-08 14:35:44,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-02-08 14:35:44,523 INFO L432 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-02-08 14:35:44,523 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:35:44,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2025-02-08 14:35:44,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:44,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:44,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-08 14:35:44,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:44,524 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post9#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~pre15#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0;" "assume !(main_~j~0#1 < 10);havoc main_~j~0#1;" "assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$#1(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int#2(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4);" "assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int#2(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1;" [2025-02-08 14:35:44,524 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem14#1 := read~int#2(main_~pa~0#1.base, main_~pa~0#1.offset, 4);" "assume main_~i~0#1 < main_#t~mem14#1;havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1;" [2025-02-08 14:35:44,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1660285, now seen corresponding path program 1 times [2025-02-08 14:35:44,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:44,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279134791] [2025-02-08 14:35:44,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:44,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:35:44,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:35:44,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:44,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:35:44,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279134791] [2025-02-08 14:35:44,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279134791] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:35:44,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:35:44,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:35:44,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735285029] [2025-02-08 14:35:44,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:35:44,607 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:35:44,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 1 times [2025-02-08 14:35:44,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:44,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170292230] [2025-02-08 14:35:44,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:44,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:44,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:44,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:44,619 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:44,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:44,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:44,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:44,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:35:44,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 14:35:44,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 14:35:44,663 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2025-02-08 14:35:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:35:44,672 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2025-02-08 14:35:44,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2025-02-08 14:35:44,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 8 transitions. [2025-02-08 14:35:44,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-08 14:35:44,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-08 14:35:44,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2025-02-08 14:35:44,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:35:44,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-08 14:35:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2025-02-08 14:35:44,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-02-08 14:35:44,674 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) [2025-02-08 14:35:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2025-02-08 14:35:44,675 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-08 14:35:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 14:35:44,676 INFO L432 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2025-02-08 14:35:44,676 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:35:44,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2025-02-08 14:35:44,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:44,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:44,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-08 14:35:44,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:44,677 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post9#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~pre15#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~j~0#1 < 10);havoc main_~j~0#1;" "assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$#1(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int#2(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4);" "assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int#2(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1;" [2025-02-08 14:35:44,677 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem14#1 := read~int#2(main_~pa~0#1.base, main_~pa~0#1.offset, 4);" "assume main_~i~0#1 < main_#t~mem14#1;havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1;" [2025-02-08 14:35:44,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash 51500628, now seen corresponding path program 1 times [2025-02-08 14:35:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:44,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706514495] [2025-02-08 14:35:44,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:44,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:35:44,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:35:44,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:44,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:35:44,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706514495] [2025-02-08 14:35:44,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706514495] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:35:44,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28262764] [2025-02-08 14:35:44,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:44,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:35:44,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:44,774 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:35:44,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 14:35:44,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:35:44,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:35:44,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:44,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 14:35:44,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:35:44,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-08 14:35:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:44,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:35:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:44,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28262764] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:35:44,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:35:44,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 14:35:44,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395097956] [2025-02-08 14:35:44,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:35:44,905 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:35:44,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 2 times [2025-02-08 14:35:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:44,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936189371] [2025-02-08 14:35:44,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:35:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:44,909 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:44,910 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:44,911 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:35:44,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:44,911 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:44,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:44,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:44,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:44,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:44,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:44,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:35:44,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 14:35:44,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 14:35:44,944 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2025-02-08 14:35:44,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:35:44,967 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2025-02-08 14:35:44,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2025-02-08 14:35:44,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 11 transitions. [2025-02-08 14:35:44,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-08 14:35:44,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-08 14:35:44,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2025-02-08 14:35:44,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:35:44,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2025-02-08 14:35:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2025-02-08 14:35:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-02-08 14:35:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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) [2025-02-08 14:35:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2025-02-08 14:35:44,971 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2025-02-08 14:35:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 14:35:44,973 INFO L432 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2025-02-08 14:35:44,973 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-08 14:35:44,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2025-02-08 14:35:44,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:44,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:44,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:44,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1] [2025-02-08 14:35:44,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:44,973 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post9#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~pre15#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~j~0#1 < 10);havoc main_~j~0#1;" "assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$#1(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int#2(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4);" "assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int#2(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1;" [2025-02-08 14:35:44,974 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem14#1 := read~int#2(main_~pa~0#1.base, main_~pa~0#1.offset, 4);" "assume main_~i~0#1 < main_#t~mem14#1;havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1;" [2025-02-08 14:35:44,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash 983454525, now seen corresponding path program 2 times [2025-02-08 14:35:44,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:44,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071909746] [2025-02-08 14:35:44,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:35:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:44,989 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 2 equivalence classes. [2025-02-08 14:35:45,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:35:45,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:35:45,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:45,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:35:45,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071909746] [2025-02-08 14:35:45,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071909746] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 14:35:45,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322673829] [2025-02-08 14:35:45,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:35:45,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 14:35:45,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:35:45,129 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 14:35:45,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 14:35:45,188 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 2 equivalence classes. [2025-02-08 14:35:45,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:35:45,219 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:35:45,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:35:45,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:35:45,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:35:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:45,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 14:35:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:35:45,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322673829] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 14:35:45,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 14:35:45,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-08 14:35:45,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892629784] [2025-02-08 14:35:45,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 14:35:45,302 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:35:45,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:45,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 3 times [2025-02-08 14:35:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:45,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195267888] [2025-02-08 14:35:45,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:35:45,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:45,305 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:45,307 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:45,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:35:45,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,307 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:45,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:45,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:45,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:45,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:45,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:35:45,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 14:35:45,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-08 14:35:45,350 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 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) [2025-02-08 14:35:45,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:35:45,374 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2025-02-08 14:35:45,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2025-02-08 14:35:45,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:45,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 17 transitions. [2025-02-08 14:35:45,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-08 14:35:45,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-08 14:35:45,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 17 transitions. [2025-02-08 14:35:45,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:35:45,375 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2025-02-08 14:35:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 17 transitions. [2025-02-08 14:35:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-08 14:35:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.0625) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:35:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2025-02-08 14:35:45,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2025-02-08 14:35:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 14:35:45,377 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 17 transitions. [2025-02-08 14:35:45,377 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-08 14:35:45,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 17 transitions. [2025-02-08 14:35:45,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-08 14:35:45,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:35:45,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:35:45,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 1, 1, 1, 1] [2025-02-08 14:35:45,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-08 14:35:45,379 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~post9#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~pre15#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < 10;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;call write~int#2(main_#t~nondet8#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~j~0#1 < 10);havoc main_~j~0#1;" "assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$#1(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#1(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int#2(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4);" "assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int#2(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1;" [2025-02-08 14:35:45,379 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem14#1 := read~int#2(main_~pa~0#1.base, main_~pa~0#1.offset, 4);" "assume main_~i~0#1 < main_#t~mem14#1;havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1;" [2025-02-08 14:35:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1994019875, now seen corresponding path program 3 times [2025-02-08 14:35:45,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379945566] [2025-02-08 14:35:45,380 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:35:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:45,405 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 6 equivalence classes. [2025-02-08 14:35:45,478 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:35:45,479 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 14:35:45,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,479 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:45,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:35:45,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:35:45,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:45,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:45,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 4 times [2025-02-08 14:35:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:45,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107179360] [2025-02-08 14:35:45,525 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 14:35:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:45,531 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-02-08 14:35:45,531 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:45,532 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 14:35:45,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,532 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:45,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:35:45,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:35:45,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:45,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:35:45,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:35:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash -697685348, now seen corresponding path program 1 times [2025-02-08 14:35:45,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:35:45,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485567613] [2025-02-08 14:35:45,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:35:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:35:45,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:35:45,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:35:45,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:45,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,594 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:35:45,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:35:45,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:35:45,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:35:45,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:35:45,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace