./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.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.4.1.ufo.BOUNDED-8.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 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:53:21,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:53:21,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:53:21,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:53:21,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:53:21,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:53:21,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:53:21,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:53:21,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:53:21,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:53:21,796 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:53:21,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:53:21,797 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:53:21,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:53:21,797 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:53:21,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:53:21,798 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:53:21,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:53:21,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:53:21,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:53:21,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:53:21,798 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:53:21,798 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 -> 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 [2025-02-08 14:53:21,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:53:21,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:53:21,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:53:21,995 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:53:21,995 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:53:21,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2025-02-08 14:53:23,212 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26843f40a/e10a9d0b05b24684920dfc5ef971617e/FLAGdbd9e2abf [2025-02-08 14:53:23,480 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:53:23,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2025-02-08 14:53:23,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26843f40a/e10a9d0b05b24684920dfc5ef971617e/FLAGdbd9e2abf [2025-02-08 14:53:23,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26843f40a/e10a9d0b05b24684920dfc5ef971617e [2025-02-08 14:53:23,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:53:23,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:53:23,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:53:23,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:53:23,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:53:23,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:53:23" (1/1) ... [2025-02-08 14:53:23,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662350ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:23, skipping insertion in model container [2025-02-08 14:53:23,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:53:23" (1/1) ... [2025-02-08 14:53:23,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:53:24,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:53:24,057 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:53:24,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:53:24,111 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:53:24,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24 WrapperNode [2025-02-08 14:53:24,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:53:24,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:53:24,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:53:24,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:53:24,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,143 INFO L138 Inliner]: procedures = 22, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 262 [2025-02-08 14:53:24,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:53:24,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:53:24,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:53:24,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:53:24,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,165 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 14:53:24,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,169 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:53:24,172 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:53:24,172 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:53:24,172 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:53:24,173 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (1/1) ... [2025-02-08 14:53:24,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:53:24,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:53:24,198 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 14:53:24,201 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 14:53:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:53:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:53:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:53:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:53:24,268 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:53:24,269 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:53:24,483 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: 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 14:53:24,483 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: assume !(0 == assert_~arg#1 % 256); [2025-02-08 14:53:24,483 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: assume node2_~m2~0#1 > ~id2~0;~send2~0 := node2_~m2~0#1; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: assume !(node2_~m2~0#1 > ~id2~0); [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: 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 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume node3_~m3~0#1 > ~id3~0;~send3~0 := node3_~m3~0#1; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume !(node3_~m3~0#1 > ~id3~0); [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: 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 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L337: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post23#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post23#1;havoc main_#t~post23#1; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume node4_~m4~0#1 > ~id4~0;~send4~0 := node4_~m4~0#1; [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !(node4_~m4~0#1 > ~id4~0); [2025-02-08 14:53:24,484 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !(0 != ~mode4~0 % 256);~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256);~mode4~0 := 1; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L325: 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 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L284-1: check_#res#1 := check_~tmp~1#1; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L326: havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L273: assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0;check_~tmp~1#1 := 1; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L273: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-08 14:53:24,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: assume ~r1~0 >= 4; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: assume !(~r1~0 >= 4); [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L327: havoc node4_~m4~0#1;assume { :end_inline_node4 } 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;~p4_old~0 := ~p4_new~0;~p4_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 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L100: ~mode2~0 := 0; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96: assume node2_~m2~0#1 == ~id2~0;~st2~0 := 1; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96: assume !(node2_~m2~0#1 == ~id2~0); [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: ~mode3~0 := 0; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L92: assume node2_~m2~0#1 != ~nomsg~0; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L92: assume !(node2_~m2~0#1 != ~nomsg~0); [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: assume node3_~m3~0#1 == ~id3~0;~st3~0 := 1; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: assume !(node3_~m3~0#1 == ~id3~0); [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L150: ~mode4~0 := 0; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume node3_~m3~0#1 != ~nomsg~0; [2025-02-08 14:53:24,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume !(node3_~m3~0#1 != ~nomsg~0); [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: assume node4_~m4~0#1 == ~id4~0;~st4~0 := 1; [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: assume !(node4_~m4~0#1 == ~id4~0); [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L336: main_#t~ret22#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret22#1;havoc main_#t~ret22#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 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: assume ~r1~0 < 4;check_~tmp~1#1 := 1; [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: assume !(~r1~0 < 4); [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: assume node4_~m4~0#1 != ~nomsg~0; [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: assume !(node4_~m4~0#1 != ~nomsg~0); [2025-02-08 14:53:24,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L324: 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 14:53:24,498 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-08 14:53:24,498 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:53:24,511 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:53:24,512 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:53:24,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:24 BoogieIcfgContainer [2025-02-08 14:53:24,515 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:53:24,516 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:53:24,516 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:53:24,520 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:53:24,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:24,521 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:53:23" (1/3) ... [2025-02-08 14:53:24,522 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@273284a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:53:24, skipping insertion in model container [2025-02-08 14:53:24,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:24,522 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:53:24" (2/3) ... [2025-02-08 14:53:24,523 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@273284a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:53:24, skipping insertion in model container [2025-02-08 14:53:24,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:53:24,523 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:24" (3/3) ... [2025-02-08 14:53:24,524 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2025-02-08 14:53:24,571 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:53:24,572 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:53:24,572 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:53:24,572 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:53:24,572 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:53:24,572 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:53:24,572 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:53:24,572 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:53:24,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36 states, 34 states have (on average 1.8529411764705883) internal successors, (63), 35 states have internal predecessors, (63), 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 14:53:24,590 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:53:24,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:53:24,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:53:24 BoogieIcfgContainer [2025-02-08 14:53:24,598 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:53:24,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:53:24,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:53:24,599 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:53:24,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:53:24" (3/4) ... [2025-02-08 14:53:24,602 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:53:24,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:53:24,606 INFO L158 Benchmark]: Toolchain (without parser) took 787.12ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 87.8MB in the end (delta: 44.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 14:53:24,606 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 209.7MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.55ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 118.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.47ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 116.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: Boogie Preprocessor took 24.81ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 114.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: IcfgBuilder took 343.42ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 92.8MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: BuchiAutomizer took 81.97ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 88.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:24,607 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 167.8MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:53:24,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 209.7MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.55ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 118.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.47ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 116.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.81ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 114.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 343.42ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 92.8MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 81.97ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 88.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 167.8MB. Free memory is still 87.8MB. 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 14:53:24,627 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