./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62204da2eab9fabc07e0a3780bac6c183714a9a5b9e2b6bd6a8ef0836349aca5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:14:25,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:14:25,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:14:25,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:14:25,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:14:26,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:14:26,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:14:26,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:14:26,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:14:26,008 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:14:26,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:14:26,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:14:26,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:14:26,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:14:26,008 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:14:26,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:14:26,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:14:26,010 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:14:26,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:26,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:14:26,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:14:26,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:14:26,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:14:26,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:14:26,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:14:26,012 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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(G ! call(reach_error())) ) 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 -> 62204da2eab9fabc07e0a3780bac6c183714a9a5b9e2b6bd6a8ef0836349aca5 [2025-02-07 21:14:26,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:14:26,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:14:26,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:14:26,265 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:14:26,265 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:14:26,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:27,545 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/629f0d711/ee7ecedb371d4267ad9fed4cfdd285f5/FLAG8cd9a85f1 [2025-02-07 21:14:27,875 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:14:27,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:27,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/629f0d711/ee7ecedb371d4267ad9fed4cfdd285f5/FLAG8cd9a85f1 [2025-02-07 21:14:27,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/629f0d711/ee7ecedb371d4267ad9fed4cfdd285f5 [2025-02-07 21:14:27,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:14:27,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:14:27,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:27,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:14:27,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:14:27,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:27" (1/1) ... [2025-02-07 21:14:27,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f6cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:27, skipping insertion in model container [2025-02-07 21:14:27,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:27" (1/1) ... [2025-02-07 21:14:27,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:14:28,256 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c[28366,28379] [2025-02-07 21:14:28,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:28,280 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:14:28,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.UNBOUNDED.pals.c[28366,28379] [2025-02-07 21:14:28,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:28,386 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:14:28,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28 WrapperNode [2025-02-07 21:14:28,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:28,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:28,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:14:28,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:14:28,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,470 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 956 [2025-02-07 21:14:28,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:28,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:14:28,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:14:28,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:14:28,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,527 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]. [2025-02-07 21:14:28,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:14:28,565 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:14:28,565 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:14:28,565 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:14:28,566 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (1/1) ... [2025-02-07 21:14:28,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:28,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:14:28,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:14:28,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:14:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:14:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:14:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:14:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:14:28,753 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:14:28,754 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:14:29,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: assume 0 != ~ep14~0 % 256;~m4~0 := ~p14_old~0;~p14_old~0 := ~nomsg~0; [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: assume !(0 != ~ep14~0 % 256); [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L300: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0; [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L300: assume !(~m4~0 > ~max4~0); [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1258: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1258: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume 0 != ~ep23~0 % 256;~m3~0 := ~p23_old~0;~p23_old~0 := ~nomsg~0; [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L201: assume (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3; [2025-02-07 21:14:29,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L201: assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L317: assume 0 != ~ep42~0 % 256;~p42_new~0 := (if (if ~max4~0 != ~nomsg~0 && ~p42_new~0 == ~nomsg~0 then ~max4~0 else ~p42_new~0) % 256 <= 127 then (if ~max4~0 != ~nomsg~0 && ~p42_new~0 == ~nomsg~0 then ~max4~0 else ~p42_new~0) % 256 else (if ~max4~0 != ~nomsg~0 && ~p42_new~0 == ~nomsg~0 then ~max4~0 else ~p42_new~0) % 256 - 256); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L317: assume !(0 != ~ep42~0 % 256); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L185: assume 0 != ~ep42~0 % 256;~m2~0 := ~p42_old~0;~p42_old~0 := ~nomsg~0; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L185: assume !(0 != ~ep42~0 % 256); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1110: assume 3 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0;check_~tmp~1#1 := 1; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1110: assume !(3 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: ~mode3~0 := 1; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: 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); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: assume !(0 != ~ep21~0 % 256); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1260: assume false;assume false; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1260: assume !false; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: ~r2~0 := 1 + (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1095: assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1095: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,567 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0; [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L286: assume !(~m4~0 > ~max4~0); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L237: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L237: assume !(~m3~0 > ~max3~0); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume 0 != ~ep12~0 % 256;~m2~0 := ~p12_old~0;~p12_old~0 := ~nomsg~0; [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume !(0 != ~ep12~0 % 256); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L320: assume 0 != ~ep43~0 % 256;~p43_new~0 := (if (if ~max4~0 != ~nomsg~0 && ~p43_new~0 == ~nomsg~0 then ~max4~0 else ~p43_new~0) % 256 <= 127 then (if ~max4~0 != ~nomsg~0 && ~p43_new~0 == ~nomsg~0 then ~max4~0 else ~p43_new~0) % 256 else (if ~max4~0 != ~nomsg~0 && ~p43_new~0 == ~nomsg~0 then ~max4~0 else ~p43_new~0) % 256 - 256); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L320: assume !(0 != ~ep43~0 % 256); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume !(~m2~0 > ~max2~0); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: assume 3 == (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: assume !(3 == (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: 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); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3; [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1097: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-07 21:14:29,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: ~mode3~0 := 0; [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1246: main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret45#1 && main_#t~ret45#1 <= 2147483647;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#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; [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L222: assume 0 != ~mode3~0 % 256; [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L222: assume !(0 != ~mode3~0 % 256); [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: assume ~max4~0 == ~id4~0;~st4~0 := 1; [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: assume !(~max4~0 == ~id4~0);~nl4~0 := 1; [2025-02-07 21:14:29,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1247: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: assume 255 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296);~r3~0 := 3; [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: assume !(255 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L174: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L174: assume !(~m2~0 > ~max2~0); [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume 0 != ~ep24~0 % 256;~m4~0 := ~p24_old~0;~p24_old~0 := ~nomsg~0; [2025-02-07 21:14:29,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume !(0 != ~ep24~0 % 256); [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L257: assume (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3; [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L257: assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume 0 != ~ep43~0 % 256;~m3~0 := ~p43_old~0;~p43_old~0 := ~nomsg~0; [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume !(0 != ~ep43~0 % 256); [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L208: assume 0 != ~ep24~0 % 256;~p24_new~0 := (if (if ~max2~0 != ~nomsg~0 && ~p24_new~0 == ~nomsg~0 then ~max2~0 else ~p24_new~0) % 256 <= 127 then (if ~max2~0 != ~nomsg~0 && ~p24_new~0 == ~nomsg~0 then ~max2~0 else ~p24_new~0) % 256 else (if ~max2~0 != ~nomsg~0 && ~p24_new~0 == ~nomsg~0 then ~max2~0 else ~p24_new~0) % 256 - 256); [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L208: assume !(0 != ~ep24~0 % 256); [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1100: assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1100: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,571 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L324: ~mode4~0 := 1; [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258: 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); [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258: assume !(0 != ~ep31~0 % 256); [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume 3 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume !(3 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: ~r3~0 := 1 + (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: assume ~max2~0 == ~id2~0;~st2~0 := 1; [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: assume !(~max2~0 == ~id2~0);~nl2~0 := 1; [2025-02-07 21:14:29,572 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1102: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1102: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3); [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L293: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L293: assume !(~m4~0 > ~max4~0); [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: assume 0 != ~ep13~0 % 256;~m3~0 := ~p13_old~0;~p13_old~0 := ~nomsg~0; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: assume !(0 != ~ep13~0 % 256); [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1218: assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume !(~m3~0 > ~max3~0); [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume 0 != ~ep32~0 % 256;~m2~0 := ~p32_old~0;~p32_old~0 := ~nomsg~0; [2025-02-07 21:14:29,573 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: 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); [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1219: assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L311: ~mode4~0 := 0; [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: assume 0 != ~mode4~0 % 256; [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: assume !(0 != ~mode4~0 % 256); [2025-02-07 21:14:29,574 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: ~mode2~0 := 1; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1220: assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1088: assume ~st1~0 + ~nl1~0 <= 1; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1088: assume !(~st1~0 + ~nl1~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L279: assume 255 == (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296);~r4~0 := 3; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L279: assume !(255 == (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1105: assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1105: assume !(0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-07 21:14:29,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: assume !(~m3~0 > ~max3~0); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1221: assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_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;~p24_old~0 := ~p24_new~0;~p24_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;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1089: assume ~st2~0 + ~nl2~0 <= 1; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1089: assume !(~st2~0 + ~nl2~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L313: assume (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L313: assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L181: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L181: assume !(~m2~0 > ~max2~0); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1139-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L297: assume 0 != ~ep34~0 % 256;~m4~0 := ~p34_old~0;~p34_old~0 := ~nomsg~0; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L297: assume !(0 != ~ep34~0 % 256); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: assume 0 != ~ep34~0 % 256;~p34_new~0 := (if (if ~max3~0 != ~nomsg~0 && ~p34_new~0 == ~nomsg~0 then ~max3~0 else ~p34_new~0) % 256 <= 127 then (if ~max3~0 != ~nomsg~0 && ~p34_new~0 == ~nomsg~0 then ~max3~0 else ~p34_new~0) % 256 else (if ~max3~0 != ~nomsg~0 && ~p34_new~0 == ~nomsg~0 then ~max3~0 else ~p34_new~0) % 256 - 256); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: assume !(0 != ~ep34~0 % 256); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1090: assume ~st3~0 + ~nl3~0 <= 1; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1090: assume !(~st3~0 + ~nl3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L314: assume 0 != ~ep41~0 % 256;~p41_new~0 := (if (if ~max4~0 != ~nomsg~0 && ~p41_new~0 == ~nomsg~0 then ~max4~0 else ~p41_new~0) % 256 <= 127 then (if ~max4~0 != ~nomsg~0 && ~p41_new~0 == ~nomsg~0 then ~max4~0 else ~p41_new~0) % 256 else (if ~max4~0 != ~nomsg~0 && ~p41_new~0 == ~nomsg~0 then ~max4~0 else ~p41_new~0) % 256 - 256); [2025-02-07 21:14:29,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L314: assume !(0 != ~ep41~0 % 256); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L248: assume 3 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L248: assume !(3 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1107: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1107: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: ~mode2~0 := 0; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume 0 != ~mode2~0 % 256; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume !(0 != ~mode2~0 % 256); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1091: assume ~st4~0 + ~nl4~0 <= 1; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1091: assume !(~st4~0 + ~nl4~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L282: ~r4~0 := 1 + (if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L249: assume ~max3~0 == ~id3~0;~st3~0 := 1; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L249: assume !(~max3~0 == ~id3~0);~nl3~0 := 1; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume 255 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296);~r2~0 := 3; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume !(255 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3; [2025-02-07 21:14:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1092: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3); [2025-02-07 21:14:29,627 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-02-07 21:14:29,627 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:14:29,641 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:14:29,642 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:14:29,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:29 BoogieIcfgContainer [2025-02-07 21:14:29,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:14:29,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:14:29,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:14:29,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:14:29,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:14:27" (1/3) ... [2025-02-07 21:14:29,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e595cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:29, skipping insertion in model container [2025-02-07 21:14:29,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:28" (2/3) ... [2025-02-07 21:14:29,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e595cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:29, skipping insertion in model container [2025-02-07 21:14:29,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:29" (3/3) ... [2025-02-07 21:14:29,655 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:29,666 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:14:29,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.4.ufo.UNBOUNDED.pals.c that has 1 procedures, 235 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:14:29,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:14:29,738 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4befc3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:14:29,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:14:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 209 states have (on average 1.8516746411483254) internal successors, (387), 234 states have internal predecessors, (387), 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) [2025-02-07 21:14:29,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:14:29,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:14:29,764 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:14:29,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 235 states, 209 states have (on average 1.8516746411483254) internal successors, (387), 234 states have internal predecessors, (387), 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) [2025-02-07 21:14:29,782 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:14:29,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:14:29 BoogieIcfgContainer [2025-02-07 21:14:29,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:14:29,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:14:29,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:14:29,795 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:14:29,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:29" (3/4) ... [2025-02-07 21:14:29,797 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:14:29,815 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:14:29,816 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:14:29,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:14:29,818 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:14:29,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:14:29,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:14:29,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:14:29,969 INFO L158 Benchmark]: Toolchain (without parser) took 2063.14ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 73.5MB in the end (delta: 47.9MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,969 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:29,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.78ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 97.6MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.63ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 92.3MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:29,970 INFO L158 Benchmark]: Boogie Preprocessor took 84.95ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 87.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,971 INFO L158 Benchmark]: IcfgBuilder took 1076.97ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 97.3MB in the end (delta: -9.7MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,971 INFO L158 Benchmark]: TraceAbstraction took 146.17ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 86.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,972 INFO L158 Benchmark]: Witness Printer took 173.11ms. Allocated memory is still 167.8MB. Free memory was 86.6MB in the beginning and 73.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:14:29,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.78ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 97.6MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.63ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 92.3MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.95ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 87.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1076.97ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 97.3MB in the end (delta: -9.7MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * TraceAbstraction took 146.17ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 86.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 173.11ms. Allocated memory is still 167.8MB. Free memory was 86.6MB in the beginning and 73.5MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1260]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:14:29,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE