./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.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_opt-floodmax.4.4.ufo.BOUNDED-8.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 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:15:19,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:15:19,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:15:19,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:15:19,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:15:19,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:15:19,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:15:19,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:15:19,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:15:19,925 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:15:19,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:15:19,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:15:19,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:15:19,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:15:19,926 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:15:19,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:15:19,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:15:19,927 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:15:19,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:15:19,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:15:19,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:15:19,929 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:15:19,930 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:15:19,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:19,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:15:19,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:15:19,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:15:19,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:15:19,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:15:19,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:15:19,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:15:19,932 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 -> 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a [2025-02-07 21:15:20,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:15:20,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:15:20,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:15:20,226 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:15:20,226 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:15:20,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2025-02-07 21:15:21,574 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b2885e60/0d360cf73d714719acc89a0bf2f0952d/FLAGf10530a7e [2025-02-07 21:15:21,927 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:15:21,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2025-02-07 21:15:21,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b2885e60/0d360cf73d714719acc89a0bf2f0952d/FLAGf10530a7e [2025-02-07 21:15:21,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0b2885e60/0d360cf73d714719acc89a0bf2f0952d [2025-02-07 21:15:21,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:15:21,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:15:21,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:21,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:15:21,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:15:21,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:21" (1/1) ... [2025-02-07 21:15:21,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cefd344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:21, skipping insertion in model container [2025-02-07 21:15:21,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:21" (1/1) ... [2025-02-07 21:15:22,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:15:22,339 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_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c[30998,31011] [2025-02-07 21:15:22,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:22,364 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:15:22,470 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_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c[30998,31011] [2025-02-07 21:15:22,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:22,487 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:15:22,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22 WrapperNode [2025-02-07 21:15:22,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:22,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:22,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:15:22,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:15:22,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,562 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1019 [2025-02-07 21:15:22,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:22,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:15:22,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:15:22,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:15:22,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,612 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 21:15:22,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,625 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:15:22,637 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:15:22,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:15:22,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:15:22,638 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (1/1) ... [2025-02-07 21:15:22,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:22,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:15:22,680 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 21:15:22,684 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 21:15:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:15:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:15:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:15:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:15:22,847 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:15:22,849 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:15:24,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: assume 0 != ~newmax4~0 % 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 21:15:24,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: assume !(0 != ~newmax4~0 % 256); [2025-02-07 21:15:24,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L316: assume 0 != ~ep24~0 % 256;~m4~0 := ~p24_old~0;~p24_old~0 := ~nomsg~0; [2025-02-07 21:15:24,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L316: assume !(0 != ~ep24~0 % 256); [2025-02-07 21:15:24,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1274: havoc node2_~newmax~1#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1142: assume ~st4~0 + ~nl4~0 <= 1; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1142: assume !(~st4~0 + ~nl4~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L333: assume 3 == ~r4~0; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L333: assume !(3 == ~r4~0); [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L284: assume 0 != ~ep32~0 % 256; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L284: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1275: havoc node3_~newmax~2#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; [2025-02-07 21:15:24,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1143: assume ~r1~0 >= 3; [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1143: assume !(~r1~0 >= 3); [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L334: assume ~max4~0 == ~id4~0;~st4~0 := 1; [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L334: assume !(~max4~0 == ~id4~0);~nl4~0 := 1; [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: ~newmax3~0 := (if 0 == node3_~newmax~2#1 % 256 then 0 else 1); [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L285: assume 0 != ~newmax3~0 % 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 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L285: assume !(0 != ~newmax3~0 % 256); [2025-02-07 21:15:24,040 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1276: havoc node4_~newmax~3#1;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 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L252: assume 0 != ~ep23~0 % 256;~m3~0 := ~p23_old~0;~p23_old~0 := ~nomsg~0; [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L252: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L269: assume 3 == ~r3~0; [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L269: assume !(3 == ~r3~0); [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1161: assume 3 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0;check_~tmp~1#1 := 1; [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1161: assume !(3 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L319: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0;node4_~newmax~3#1 := 1; [2025-02-07 21:15:24,041 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L319: assume !(~m4~0 > ~max4~0); [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L220: assume 0 != ~ep23~0 % 256; [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L220: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: assume ~max3~0 == ~id3~0;~st3~0 := 1; [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: assume !(~max3~0 == ~id3~0);~nl3~0 := 1; [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: ~newmax2~0 := (if 0 == node2_~newmax~1#1 % 256 then 0 else 1); [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L353: assume 0 != ~ep43~0 % 256; [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L353: assume !(0 != ~ep43~0 % 256); [2025-02-07 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume 0 != ~newmax2~0 % 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 21:15:24,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume !(0 != ~newmax2~0 % 256); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume 0 != ~ep32~0 % 256;~m2~0 := ~p32_old~0;~p32_old~0 := ~nomsg~0; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1146: assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1146: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: assume 3 == ~r2~0; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: assume !(3 == ~r2~0); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L354: assume 0 != ~newmax4~0 % 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 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L354: assume !(0 != ~newmax4~0 % 256); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0;node3_~newmax~2#1 := 1; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: assume !(~m3~0 > ~max3~0); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: assume ~max2~0 == ~id2~0;~st2~0 := 1; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: assume !(~max2~0 == ~id2~0);~nl2~0 := 1; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L289: assume 0 != ~ep34~0 % 256; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L289: assume !(0 != ~ep34~0 % 256); [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1148: assume ~r1~0 < 3; [2025-02-07 21:15:24,043 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1148: assume !(~r1~0 < 3); [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L306: assume 0 != ~mode4~0 % 256;~r4~0 := (if (1 + ~r4~0) % 256 <= 127 then (1 + ~r4~0) % 256 else (1 + ~r4~0) % 256 - 256); [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L306: assume !(0 != ~mode4~0 % 256); [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1314: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1314: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume 0 != ~newmax3~0 % 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 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume !(0 != ~newmax3~0 % 256); [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0;node2_~newmax~1#1 := 1; [2025-02-07 21:15:24,044 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume !(~m2~0 > ~max2~0); [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L340: ~mode4~0 := 0; [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L324: assume 0 != ~ep34~0 % 256;~m4~0 := ~p34_old~0;~p34_old~0 := ~nomsg~0; [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L324: assume !(0 != ~ep34~0 % 256); [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: assume 0 != ~ep24~0 % 256; [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: assume !(0 != ~ep24~0 % 256); [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L308: assume 0 != ~ep14~0 % 256;~m4~0 := ~p14_old~0;~p14_old~0 := ~nomsg~0; [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L308: assume !(0 != ~ep14~0 % 256); [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L242: assume 0 != ~mode3~0 % 256;~r3~0 := (if (1 + ~r3~0) % 256 <= 127 then (1 + ~r3~0) % 256 else (1 + ~r3~0) % 256 - 256); [2025-02-07 21:15:24,045 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L242: assume !(0 != ~mode3~0 % 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1316: assume false;assume false; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1316: assume !false; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume 0 != ~newmax2~0 % 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 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume !(0 != ~newmax2~0 % 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1151: assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1151: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L342: assume ~r4~0 < 3; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L342: assume !(~r4~0 < 3); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L276: ~mode3~0 := 0; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L359: ~mode4~0 := 1; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260: assume 0 != ~ep43~0 % 256;~m3~0 := ~p43_old~0;~p43_old~0 := ~nomsg~0; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260: assume !(0 != ~ep43~0 % 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L343: assume 0 != ~ep41~0 % 256; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L343: assume !(0 != ~ep41~0 % 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1301: main_#t~ret49#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret49#1 && main_#t~ret49#1 <= 2147483647;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume 0 != ~ep13~0 % 256;~m3~0 := ~p13_old~0;~p13_old~0 := ~nomsg~0; [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume !(0 != ~ep13~0 % 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume 0 != ~mode2~0 % 256;~r2~0 := (if (1 + ~r2~0) % 256 <= 127 then (1 + ~r2~0) % 256 else (1 + ~r2~0) % 256 - 256); [2025-02-07 21:15:24,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: assume !(0 != ~mode2~0 % 256); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L327: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0;node4_~newmax~3#1 := 1; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L327: assume !(~m4~0 > ~max4~0); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1153: assume ~r1~0 >= 3; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1153: assume !(~r1~0 >= 3); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L344: assume 0 != ~newmax4~0 % 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 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L344: assume !(0 != ~newmax4~0 % 256); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L311: assume ~m4~0 > ~max4~0;~max4~0 := ~m4~0;node4_~newmax~3#1 := 1; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L311: assume !(~m4~0 > ~max4~0); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1302: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: assume ~r3~0 < 3; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: assume !(~r3~0 < 3); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: ~mode2~0 := 0; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L295: ~mode3~0 := 1; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: assume 0 != ~ep42~0 % 256;~m2~0 := ~p42_old~0;~p42_old~0 := ~nomsg~0; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: assume !(0 != ~ep42~0 % 256); [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L279: assume 0 != ~ep31~0 % 256; [2025-02-07 21:15:24,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L279: assume !(0 != ~ep31~0 % 256); [2025-02-07 21:15:24,048 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L180: assume 0 != ~ep12~0 % 256;~m2~0 := ~p12_old~0;~p12_old~0 := ~nomsg~0; [2025-02-07 21:15:24,048 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L180: assume !(0 != ~ep12~0 % 256); [2025-02-07 21:15:24,048 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1138: assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; [2025-02-07 21:15:24,048 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1138: assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0;node3_~newmax~2#1 := 1; [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: assume !(~m3~0 > ~max3~0); [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: assume 0 != ~newmax3~0 % 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 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: assume !(0 != ~newmax3~0 % 256); [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0;node3_~newmax~2#1 := 1; [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: assume !(~m3~0 > ~max3~0); [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume ~r2~0 < 3; [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume !(~r2~0 < 3); [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1139: assume ~st1~0 + ~nl1~0 <= 1; [2025-02-07 21:15:24,049 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1139: assume !(~st1~0 + ~nl1~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: ~mode2~0 := 1; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1156: assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1156: assume !(0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L215: assume 0 != ~ep21~0 % 256; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L215: assume !(0 != ~ep21~0 % 256); [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1140: assume ~st2~0 + ~nl2~0 <= 1; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1140: assume !(~st2~0 + ~nl2~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0;node2_~newmax~1#1 := 1; [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: assume !(~m2~0 > ~max2~0); [2025-02-07 21:15:24,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1190-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L348: assume 0 != ~ep42~0 % 256; [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L348: assume !(0 != ~ep42~0 % 256); [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1273: havoc node1_~newmax~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: assume 0 != ~newmax2~0 % 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 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: assume !(0 != ~newmax2~0 % 256); [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L183: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0;node2_~newmax~1#1 := 1; [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L183: assume !(~m2~0 > ~max2~0); [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1141: assume ~st3~0 + ~nl3~0 <= 1; [2025-02-07 21:15:24,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1141: assume !(~st3~0 + ~nl3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:24,052 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L332: ~newmax4~0 := (if 0 == node4_~newmax~3#1 % 256 then 0 else 1); [2025-02-07 21:15:24,052 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1158: assume ~r1~0 < 3;check_~tmp~1#1 := 1; [2025-02-07 21:15:24,052 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1158: assume !(~r1~0 < 3); [2025-02-07 21:15:24,114 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2025-02-07 21:15:24,114 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:15:24,134 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:15:24,134 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:15:24,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:24 BoogieIcfgContainer [2025-02-07 21:15:24,137 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:15:24,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:15:24,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:15:24,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:15:24,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:15:21" (1/3) ... [2025-02-07 21:15:24,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40930b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:24, skipping insertion in model container [2025-02-07 21:15:24,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:22" (2/3) ... [2025-02-07 21:15:24,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40930b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:24, skipping insertion in model container [2025-02-07 21:15:24,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:24" (3/3) ... [2025-02-07 21:15:24,145 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2025-02-07 21:15:24,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:15:24,165 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c that has 1 procedures, 241 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:15:24,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:15:24,256 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;@55696801, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:15:24,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:15:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 241 states, 215 states have (on average 1.8558139534883722) internal successors, (399), 240 states have internal predecessors, (399), 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 21:15:24,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:15:24,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:15:24,279 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:15:24,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 241 states, 215 states have (on average 1.8558139534883722) internal successors, (399), 240 states have internal predecessors, (399), 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 21:15:24,306 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:15:24,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:15:24 BoogieIcfgContainer [2025-02-07 21:15:24,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:15:24,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:15:24,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:15:24,322 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:15:24,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:24" (3/4) ... [2025-02-07 21:15:24,324 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:15:24,343 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:15:24,345 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:15:24,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:15:24,347 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:15:24,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:15:24,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:15:24,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:15:24,481 INFO L158 Benchmark]: Toolchain (without parser) took 2497.83ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 45.0MB in the end (delta: 67.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,482 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:24,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.97ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 88.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.48ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 83.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:24,483 INFO L158 Benchmark]: Boogie Preprocessor took 68.43ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,484 INFO L158 Benchmark]: IcfgBuilder took 1500.18ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 69.4MB in the end (delta: 8.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,484 INFO L158 Benchmark]: TraceAbstraction took 182.17ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 58.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,485 INFO L158 Benchmark]: Witness Printer took 158.76ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 45.0MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:15:24,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.97ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 88.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.48ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 83.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.43ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1500.18ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 69.4MB in the end (delta: 8.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 182.17ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 58.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 158.76ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 45.0MB in the end (delta: 13.7MB). 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: 1316]: 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, 241 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=241occurred 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 21:15:24,505 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