./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/openssl-simplified/s3_srvr_1a.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9bbd8ebbfdd1aa7b2aaa2f32f767526fd317d11dcf6b707f4c34423040b4383f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:53:36,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:53:36,678 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 08:53:36,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:53:36,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:53:36,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:53:36,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:53:36,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:53:36,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:53:36,706 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:53:36,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:53:36,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:53:36,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:53:36,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:53:36,706 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:53:36,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:53:36,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:53:36,708 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:53:36,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:53:36,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:53:36,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:53:36,709 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 ! overflow) ) 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 -> 9bbd8ebbfdd1aa7b2aaa2f32f767526fd317d11dcf6b707f4c34423040b4383f [2025-02-08 08:53:36,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:53:36,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:53:37,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:53:37,004 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:53:37,004 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:53:37,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2025-02-08 08:53:38,359 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d674f32e/4cb6de15197a475a857a212da8d96b17/FLAGf325753a2 [2025-02-08 08:53:38,616 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:53:38,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2025-02-08 08:53:38,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d674f32e/4cb6de15197a475a857a212da8d96b17/FLAGf325753a2 [2025-02-08 08:53:38,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d674f32e/4cb6de15197a475a857a212da8d96b17 [2025-02-08 08:53:38,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:53:38,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:53:38,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:53:38,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:53:38,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:53:38,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc6bc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38, skipping insertion in model container [2025-02-08 08:53:38,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:53:38,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:53:38,898 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:53:38,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:53:38,944 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:53:38,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38 WrapperNode [2025-02-08 08:53:38,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:53:38,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:53:38,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:53:38,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:53:38,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,977 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2025-02-08 08:53:38,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:53:38,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:53:38,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:53:38,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:53:38,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:38,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,008 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 08:53:39,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:53:39,019 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:53:39,019 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:53:39,019 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:53:39,022 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (1/1) ... [2025-02-08 08:53:39,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:53:39,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:53:39,056 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) [2025-02-08 08:53:39,061 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 [2025-02-08 08:53:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:53:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:53:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:53:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:53:39,147 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:53:39,149 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L159: main_~s__state~0#1 := 8640; [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: assume 0 != 2 + main_~s__verify_mode~0#1; [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: assume !(0 != 2 + main_~s__verify_mode~0#1);main_~s__state~0#1 := 8560; [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-1: assume 2 + main_~s__verify_mode~0#1 <= 2147483647; [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-1: assume !(2 + main_~s__verify_mode~0#1 <= 2147483647); [2025-02-08 08:53:39,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: main_~s__state~0#1 := 8496; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-2: assume 2 + main_~s__verify_mode~0#1 >= -2147483648; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126-2: assume !(2 + main_~s__verify_mode~0#1 >= -2147483648); [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L184: assume 5 == main_~blastFlag~0#1; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L184: assume !(5 == main_~blastFlag~0#1); [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume 0 != 4 + main_~s__verify_mode~0#1;main_~s__state~0#1 := 8560; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume !(0 != 4 + main_~s__verify_mode~0#1); [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118-1: assume 4 + main_~s__verify_mode~0#1 <= 2147483647; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118-1: assume !(4 + main_~s__verify_mode~0#1 <= 2147483647); [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118-2: assume 4 + main_~s__verify_mode~0#1 >= -2147483648; [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118-2: assume !(4 + main_~s__verify_mode~0#1 >= -2147483648); [2025-02-08 08:53:39,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: main_~s__state~0#1 := 8672; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: assume { :begin_inline_reach_error } true;assume false;assume { :end_inline_reach_error } true;assume false;main_#res#1 := -1; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: main_~s__state~0#1 := 8544; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~tmp___1~0#1 := main_#t~nondet8#1; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume 3 == main_~blastFlag~0#1;main_~blastFlag~0#1 := 4; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume !(3 == main_~blastFlag~0#1); [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: assume 1 == main_~blastFlag~0#1;main_~blastFlag~0#1 := 2; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: assume !(1 == main_~blastFlag~0#1); [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume 0 != main_~s__hit~0#1;main_~s__state~0#1 := 8640; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: assume !(0 != main_~s__hit~0#1); [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155: main_~s__state~0#1 := 8608; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume 2 == main_~tmp___1~0#1;main_~s__state~0#1 := 8466; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume !(2 == main_~tmp___1~0#1);main_~s__state~0#1 := 8592; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume 0 == main_~blastFlag~0#1;main_~blastFlag~0#1 := 1; [2025-02-08 08:53:39,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !(0 == main_~blastFlag~0#1); [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L181: assume 4 == main_~blastFlag~0#1;main_~blastFlag~0#1 := 5; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L181: assume !(4 == main_~blastFlag~0#1); [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume 0 != 1 + main_~s__verify_mode~0#1; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume !(0 != 1 + main_~s__verify_mode~0#1);main_~s__state~0#1 := 8560; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume 1 + main_~s__verify_mode~0#1 <= 2147483647; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume !(1 + main_~s__verify_mode~0#1 <= 2147483647); [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-2: assume 1 + main_~s__verify_mode~0#1 >= -2147483648; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-2: assume !(1 + main_~s__verify_mode~0#1 >= -2147483648); [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L174: assume 2 == main_~blastFlag~0#1;main_~blastFlag~0#1 := 3; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L174: assume !(2 == main_~blastFlag~0#1); [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108: main_~s__state~0#1 := 8528; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume 0 != main_~s__hit~0#1; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: assume !(0 != main_~s__hit~0#1);main_~s__state~0#1 := 8656; [2025-02-08 08:53:39,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L100: assume 0 != main_~s__hit~0#1;main_~s__state~0#1 := 8656; [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L100: assume !(0 != main_~s__hit~0#1);main_~s__state~0#1 := 8512; [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: assume 0 != (256 + main_~s__s3__tmp__new_cipher__algorithms~0#1) % 4294967296; [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: assume !(0 != (256 + main_~s__s3__tmp__new_cipher__algorithms~0#1) % 4294967296);main_~s__state~0#1 := 8576; [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume 0 != main_~s__session__peer~0#1; [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume !(0 != main_~s__session__peer~0#1); [2025-02-08 08:53:39,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: main_~s__state~0#1 := 8576; [2025-02-08 08:53:39,404 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-08 08:53:39,404 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:53:39,410 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:53:39,411 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:53:39,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:53:39 BoogieIcfgContainer [2025-02-08 08:53:39,411 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:53:39,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:53:39,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:53:39,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:53:39,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:53:38" (1/3) ... [2025-02-08 08:53:39,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30298267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:53:39, skipping insertion in model container [2025-02-08 08:53:39,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:53:38" (2/3) ... [2025-02-08 08:53:39,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30298267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:53:39, skipping insertion in model container [2025-02-08 08:53:39,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:53:39" (3/3) ... [2025-02-08 08:53:39,419 INFO L128 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2025-02-08 08:53:39,431 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:53:39,433 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG s3_srvr_1a.cil.c that has 1 procedures, 32 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-08 08:53:39,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:53:39,480 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;@16eb4561, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:53:39,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:53:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 31 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:53:39,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:53:39,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2025-02-08 08:53:39,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2025-02-08 08:53:39,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2025-02-08 08:53:39,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2025-02-08 08:53:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2025-02-08 08:53:39,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2025-02-08 08:53:39,501 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-08 08:53:39,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 31 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:53:39,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:53:39,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:53:39 BoogieIcfgContainer [2025-02-08 08:53:39,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:53:39,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:53:39,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:53:39,534 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:53:39,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:53:39" (3/4) ... [2025-02-08 08:53:39,536 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:53:39,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-08 08:53:39,547 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:53:39,547 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 08:53:39,547 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:53:39,617 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:53:39,618 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:53:39,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:53:39,619 INFO L158 Benchmark]: Toolchain (without parser) took 937.44ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 70.7MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 08:53:39,619 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:53:39,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:53:39,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.90ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:53:39,620 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 912.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:53:39,620 INFO L158 Benchmark]: IcfgBuilder took 391.81ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 83.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:53:39,620 INFO L158 Benchmark]: TraceAbstraction took 119.98ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 76.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:53:39,620 INFO L158 Benchmark]: Witness Printer took 84.65ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 70.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:53:39,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.90ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 912.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 391.81ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 83.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 119.98ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 76.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 84.65ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 70.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. 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: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, 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=32occurred 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:53:39,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE