./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.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/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.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 92be10af768295be2ee9c176bac2a7de85c1afeb202e4b441d20022190d8e93f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:53:19,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:53:19,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:53:19,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:53:19,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:53:19,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:53:19,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:53:19,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:53:19,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:53:19,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:53:19,972 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:53:19,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:53:19,973 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:53:19,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:53:19,973 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:53:19,974 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:53:19,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:53:19,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:53:19,975 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:53:19,975 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 -> 92be10af768295be2ee9c176bac2a7de85c1afeb202e4b441d20022190d8e93f [2025-02-08 14:53:20,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:53:20,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:53:20,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:53:20,206 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:53:20,206 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:53:20,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2025-02-08 14:53:21,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02c740f93/4899b66342b243178ceeab9d0f7b5d95/FLAGb4c8eb4f6 [2025-02-08 14:53:21,654 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:53:21,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.UNBOUNDED.pals.c [2025-02-08 14:53:21,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02c740f93/4899b66342b243178ceeab9d0f7b5d95/FLAGb4c8eb4f6 [2025-02-08 14:53:21,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02c740f93/4899b66342b243178ceeab9d0f7b5d95 [2025-02-08 14:53:21,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:53:21,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:53:21,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:53:21,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:53:21,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:53:21,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d7f33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21, skipping insertion in model container [2025-02-08 14:53:21,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:53:21,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:53:21,851 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:53:21,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:53:21,894 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:53:21,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21 WrapperNode [2025-02-08 14:53:21,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:53:21,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:53:21,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:53:21,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:53:21,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,926 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 209 [2025-02-08 14:53:21,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:53:21,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:53:21,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:53:21,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:53:21,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,945 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 14:53:21,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:53:21,956 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:53:21,956 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:53:21,956 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:53:21,956 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (1/1) ... [2025-02-08 14:53:21,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:53:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:53:21,983 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 14:53:21,985 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 14:53:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:53:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:53:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:53:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:53:22,060 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:53:22,062 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:53:22,292 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: ~mode2~0 := 0; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: assume node2_~m2~0#1 == ~id2~0;~st2~0 := 1; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: assume !(node2_~m2~0#1 == ~id2~0); [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: assume 0 == assert_~arg#1 % 256;assume { :begin_inline_reach_error } true;assume false;assume { :end_inline_reach_error } true;assume false; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: assume !(0 == assert_~arg#1 % 256); [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: ~mode3~0 := 0; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: assume 1 == ~st1~0 + ~st2~0 + ~st3~0;check_~tmp~1#1 := 1; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: assume node2_~m2~0#1 != ~nomsg~0; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: assume !(node2_~m2~0#1 != ~nomsg~0); [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume node3_~m3~0#1 == ~id3~0;~st3~0 := 1; [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume !(node3_~m3~0#1 == ~id3~0); [2025-02-08 14:53:22,293 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume node3_~m3~0#1 != ~nomsg~0; [2025-02-08 14:53:22,294 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume !(node3_~m3~0#1 != ~nomsg~0); [2025-02-08 14:53:22,294 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L209: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3; [2025-02-08 14:53:22,294 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L209: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3); [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L271: main_#t~ret18#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume node2_~m2~0#1 > ~id2~0;~send2~0 := node2_~m2~0#1; [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !(node2_~m2~0#1 > ~id2~0); [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1; [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-08 14:53:22,295 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L86: assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L86: assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: assume node3_~m3~0#1 > ~id3~0;~send3~0 := node3_~m3~0#1; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: assume !(node3_~m3~0#1 > ~id3~0); [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L272: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc node3_~m3~0#1;assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; [2025-02-08 14:53:22,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-1: check_#res#1 := check_~tmp~1#1; [2025-02-08 14:53:22,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: assume 0 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-08 14:53:22,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-08 14:53:22,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L208: assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; [2025-02-08 14:53:22,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L208: assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:53:22,297 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; [2025-02-08 14:53:22,304 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-08 14:53:22,305 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:53:22,313 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:53:22,314 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:53:22,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:22 BoogieIcfgContainer [2025-02-08 14:53:22,314 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:53:22,315 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:53:22,315 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:53:22,319 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:53:22,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:22,320 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:53:21" (1/3) ... [2025-02-08 14:53:22,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@526f3ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:53:22, skipping insertion in model container [2025-02-08 14:53:22,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:22,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:21" (2/3) ... [2025-02-08 14:53:22,321 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@526f3ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:53:22, skipping insertion in model container [2025-02-08 14:53:22,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:22,321 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:22" (3/3) ... [2025-02-08 14:53:22,322 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c [2025-02-08 14:53:22,363 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:53:22,364 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:53:22,364 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:53:22,364 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:53:22,364 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:53:22,364 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:53:22,364 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:53:22,364 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:53:22,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 30 states have internal predecessors, (52), 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 14:53:22,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:53:22,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:53:22,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:53:22 BoogieIcfgContainer [2025-02-08 14:53:22,384 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:53:22,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:53:22,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:53:22,385 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:53:22,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:22" (3/4) ... [2025-02-08 14:53:22,387 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:53:22,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:53:22,390 INFO L158 Benchmark]: Toolchain (without parser) took 702.14ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 71.4MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 14:53:22,390 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:22,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.01ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 98.4MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:53:22,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.92ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:22,391 INFO L158 Benchmark]: Boogie Preprocessor took 28.23ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:22,391 INFO L158 Benchmark]: IcfgBuilder took 358.63ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 76.5MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:53:22,391 INFO L158 Benchmark]: BuchiAutomizer took 69.32ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 71.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:53:22,392 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 71.4MB in the end (delta: 447.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:22,393 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.01ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 98.4MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.92ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.23ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 358.63ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 76.5MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 69.32ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 71.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 71.4MB in the end (delta: 447.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-08 14:53:22,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE