./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.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_floodmax.3.2.ufo.BOUNDED-6.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 708f088db085ec098a8544d76f8abbece9dbe61a183e0bc1703749c9af891b6b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:52:41,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:52:41,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:52:41,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:52:41,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:52:41,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:52:41,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:52:41,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:52:41,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:52:41,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:52:41,917 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:52:41,917 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:52:41,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:52:41,918 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:52:41,918 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:52:41,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:52:41,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:52:41,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:52:41,919 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:52:41,919 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 -> 708f088db085ec098a8544d76f8abbece9dbe61a183e0bc1703749c9af891b6b [2025-02-08 14:52:42,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:52:42,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:52:42,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:52:42,188 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:52:42,188 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:52:42,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2025-02-08 14:52:43,513 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00525419d/d4f4893612494ada921c47e72cb9a63a/FLAG60c66040a [2025-02-08 14:52:43,750 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:52:43,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2025-02-08 14:52:43,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00525419d/d4f4893612494ada921c47e72cb9a63a/FLAG60c66040a [2025-02-08 14:52:43,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00525419d/d4f4893612494ada921c47e72cb9a63a [2025-02-08 14:52:43,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:52:43,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:52:43,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:52:43,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:52:43,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:52:43,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:52:43" (1/1) ... [2025-02-08 14:52:43,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73abb723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:43, skipping insertion in model container [2025-02-08 14:52:43,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:52:43" (1/1) ... [2025-02-08 14:52:43,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:52:43,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:52:43,963 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:52:43,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:52:44,005 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:52:44,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44 WrapperNode [2025-02-08 14:52:44,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:52:44,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:52:44,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:52:44,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:52:44,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,042 INFO L138 Inliner]: procedures = 21, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 430 [2025-02-08 14:52:44,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:52:44,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:52:44,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:52:44,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:52:44,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,067 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 14:52:44,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:52:44,078 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:52:44,078 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:52:44,078 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:52:44,079 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (1/1) ... [2025-02-08 14:52:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:52:44,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:52:44,112 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 14:52:44,116 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 14:52:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:52:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:52:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:52:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:52:44,249 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:52:44,250 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:52:44,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L440: assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L440: assume !(0 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L184: ~mode3~0 := 0; [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L151: ~mode2~0 := 1; [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume 0 != ~mode2~0 % 256;~r2~0 := (if (1 + ~r2~0) % 256 <= 127 then (1 + ~r2~0) % 256 else (1 + ~r2~0) % 256 - 256); [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume !(0 != ~mode2~0 % 256); [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L432: assume ~r1~0 < 2; [2025-02-08 14:52:44,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L432: assume !(~r1~0 < 2); [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume ~r2~0 < 2; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !(~r2~0 < 2); [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L424: assume ~st1~0 + ~nl1~0 <= 1; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L424: assume !(~st1~0 + ~nl1~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L135: assume ~max2~0 == ~id2~0;~st2~0 := 1; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L135: assume !(~max2~0 == ~id2~0);~nl2~0 := 1; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L127: assume 0 != ~ep32~0 % 256;~m2~0 := ~p32_old~0;~p32_old~0 := ~nomsg~0; [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L127: assume !(0 != ~ep32~0 % 256); [2025-02-08 14:52:44,615 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#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 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume 2 == ~r3~0; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume !(2 == ~r3~0); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume 0 != ~ep21~0 % 256;~p21_new~0 := (if (if ~max2~0 != ~nomsg~0 && ~p21_new~0 == ~nomsg~0 then ~max2~0 else ~p21_new~0) % 256 <= 127 then (if ~max2~0 != ~nomsg~0 && ~p21_new~0 == ~nomsg~0 then ~max2~0 else ~p21_new~0) % 256 else (if ~max2~0 != ~nomsg~0 && ~p21_new~0 == ~nomsg~0 then ~max2~0 else ~p21_new~0) % 256 - 256); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume !(0 != ~ep21~0 % 256); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L425: assume ~st2~0 + ~nl2~0 <= 1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L425: assume !(~st2~0 + ~nl2~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L194: ~mode3~0 := 1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume 0 != ~mode3~0 % 256;~r3~0 := (if (1 + ~r3~0) % 256 <= 127 then (1 + ~r3~0) % 256 else (1 + ~r3~0) % 256 - 256); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !(0 != ~mode3~0 % 256); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L442: assume ~r1~0 < 2;check_~tmp~1#1 := 1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L442: assume !(~r1~0 < 2); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: assume ~r3~0 < 2; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: assume !(~r3~0 < 2); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L120: assume 0 != ~ep12~0 % 256;~m2~0 := ~p12_old~0;~p12_old~0 := ~nomsg~0; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L120: assume !(0 != ~ep12~0 % 256); [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume ~max3~0 == ~id3~0;~st3~0 := 1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume !(~max3~0 == ~id3~0);~nl3~0 := 1; [2025-02-08 14:52:44,616 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; [2025-02-08 14:52:44,619 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L426: assume ~st3~0 + ~nl3~0 <= 1; [2025-02-08 14:52:44,619 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L426: assume !(~st3~0 + ~nl3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,619 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: assume 0 != ~ep23~0 % 256;~m3~0 := ~p23_old~0;~p23_old~0 := ~nomsg~0; [2025-02-08 14:52:44,619 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: assume !(0 != ~ep23~0 % 256); [2025-02-08 14:52:44,619 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume 0 != ~ep31~0 % 256;~p31_new~0 := (if (if ~max3~0 != ~nomsg~0 && ~p31_new~0 == ~nomsg~0 then ~max3~0 else ~p31_new~0) % 256 <= 127 then (if ~max3~0 != ~nomsg~0 && ~p31_new~0 == ~nomsg~0 then ~max3~0 else ~p31_new~0) % 256 else (if ~max3~0 != ~nomsg~0 && ~p31_new~0 == ~nomsg~0 then ~max3~0 else ~p31_new~0) % 256 - 256); [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume !(0 != ~ep31~0 % 256); [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L435: assume 1 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L435: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L526: assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L427: assume ~r1~0 >= 2; [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L427: assume !(~r1~0 >= 2); [2025-02-08 14:52:44,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume 0 != ~ep13~0 % 256;~m3~0 := ~p13_old~0;~p13_old~0 := ~nomsg~0; [2025-02-08 14:52:44,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume !(0 != ~ep13~0 % 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume !(~m2~0 > ~max2~0); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume 0 != ~ep23~0 % 256;~p23_new~0 := (if (if ~max2~0 != ~nomsg~0 && ~p23_new~0 == ~nomsg~0 then ~max2~0 else ~p23_new~0) % 256 <= 127 then (if ~max2~0 != ~nomsg~0 && ~p23_new~0 == ~nomsg~0 then ~max2~0 else ~p23_new~0) % 256 else (if ~max2~0 != ~nomsg~0 && ~p23_new~0 == ~nomsg~0 then ~max2~0 else ~p23_new~0) % 256 - 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume !(0 != ~ep23~0 % 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L527: assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_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 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: assume 2 == ~nl1~0 + ~nl2~0 + ~nl3~0;check_~tmp~1#1 := 1; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: assume !(2 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !(~m2~0 > ~max2~0); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: assume ~r1~0 >= 2; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: assume !(~r1~0 >= 2); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: assume !(~m3~0 > ~max3~0); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L553: 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 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L553: assume !(0 == assert_~arg#1 % 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume 0 != ~ep32~0 % 256;~p32_new~0 := (if (if ~max3~0 != ~nomsg~0 && ~p32_new~0 == ~nomsg~0 then ~max3~0 else ~p32_new~0) % 256 <= 127 then (if ~max3~0 != ~nomsg~0 && ~p32_new~0 == ~nomsg~0 then ~max3~0 else ~p32_new~0) % 256 else (if ~max3~0 != ~nomsg~0 && ~p32_new~0 == ~nomsg~0 then ~max3~0 else ~p32_new~0) % 256 - 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume !(0 != ~ep32~0 % 256); [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L471-1: check_#res#1 := check_~tmp~1#1; [2025-02-08 14:52:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: assume 0 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L141: ~mode2~0 := 0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume !(~m3~0 > ~max3~0); [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L423: assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L423: assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: assume 2 == ~r2~0; [2025-02-08 14:52:44,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: assume !(2 == ~r2~0); [2025-02-08 14:52:44,647 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-02-08 14:52:44,647 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:52:44,656 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:52:44,656 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:52:44,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:52:44 BoogieIcfgContainer [2025-02-08 14:52:44,657 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:52:44,657 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:52:44,657 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:52:44,661 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:52:44,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:52:44,662 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:52:43" (1/3) ... [2025-02-08 14:52:44,662 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a921ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:52:44, skipping insertion in model container [2025-02-08 14:52:44,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:52:44,663 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:52:44" (2/3) ... [2025-02-08 14:52:44,663 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a921ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:52:44, skipping insertion in model container [2025-02-08 14:52:44,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:52:44,664 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:52:44" (3/3) ... [2025-02-08 14:52:44,664 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2025-02-08 14:52:44,702 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:52:44,702 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:52:44,702 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:52:44,702 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:52:44,703 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:52:44,703 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:52:44,703 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:52:44,703 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:52:44,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 71 states, 69 states have (on average 1.826086956521739) internal successors, (126), 70 states have internal predecessors, (126), 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 14:52:44,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:52:44,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:52:44,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:52:44 BoogieIcfgContainer [2025-02-08 14:52:44,724 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:52:44,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:52:44,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:52:44,725 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:52:44,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:52:44" (3/4) ... [2025-02-08 14:52:44,727 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:52:44,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:52:44,729 INFO L158 Benchmark]: Toolchain (without parser) took 960.24ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 94.6MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 14:52:44,729 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:52:44,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.77ms. Allocated memory is still 201.3MB. Free memory was 153.0MB in the beginning and 136.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:52:44,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.25ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 134.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:52:44,730 INFO L158 Benchmark]: Boogie Preprocessor took 35.19ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 131.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:52:44,730 INFO L158 Benchmark]: IcfgBuilder took 578.54ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 99.5MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 14:52:44,730 INFO L158 Benchmark]: BuchiAutomizer took 67.14ms. Allocated memory is still 201.3MB. Free memory was 99.5MB in the beginning and 94.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:52:44,730 INFO L158 Benchmark]: Witness Printer took 2.60ms. Allocated memory is still 201.3MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:52:44,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.77ms. Allocated memory is still 201.3MB. Free memory was 153.0MB in the beginning and 136.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.25ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 134.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.19ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 131.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 578.54ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 99.5MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 67.14ms. Allocated memory is still 201.3MB. Free memory was 99.5MB in the beginning and 94.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.60ms. Allocated memory is still 201.3MB. Free memory is still 94.6MB. 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 14:52:44,748 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