./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.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.3.3.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 b7a355896b8b65b5a2cb80c69f28000f566073d33b0003da7d28a637c6d5db6a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:14:15,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:14:15,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:14:15,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:14:15,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:14:15,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:14:15,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:14:15,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:14:15,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:14:15,561 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:14:15,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:14:15,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:14:15,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:14:15,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:14:15,563 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:14:15,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:14:15,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:14:15,563 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:14:15,564 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:14:15,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:15,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:14:15,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:14:15,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:14:15,566 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 -> b7a355896b8b65b5a2cb80c69f28000f566073d33b0003da7d28a637c6d5db6a [2025-02-07 21:14:15,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:14:15,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:14:15,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:14:15,779 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:14:15,779 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:14:15,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:16,862 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/befab476e/7087719a9ea34a3d97f29cab29c5baaa/FLAG474c4a9e0 [2025-02-07 21:14:17,155 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:14:17,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:17,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/befab476e/7087719a9ea34a3d97f29cab29c5baaa/FLAG474c4a9e0 [2025-02-07 21:14:17,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/befab476e/7087719a9ea34a3d97f29cab29c5baaa [2025-02-07 21:14:17,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:14:17,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:14:17,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:17,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:14:17,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:14:17,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd2f6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17, skipping insertion in model container [2025-02-07 21:14:17,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:14:17,602 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.3.3.ufo.UNBOUNDED.pals.c[12968,12981] [2025-02-07 21:14:17,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:17,612 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:14:17,652 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.3.3.ufo.UNBOUNDED.pals.c[12968,12981] [2025-02-07 21:14:17,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:17,665 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:14:17,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17 WrapperNode [2025-02-07 21:14:17,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:17,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:17,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:14:17,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:14:17,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,695 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 451 [2025-02-07 21:14:17,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:17,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:14:17,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:14:17,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:14:17,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,713 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 21:14:17,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,722 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:14:17,735 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:14:17,735 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:14:17,735 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:14:17,736 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (1/1) ... [2025-02-07 21:14:17,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:14:17,762 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 21:14:17,768 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 21:14:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:14:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:14:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:14:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:14:17,872 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:14:17,874 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L448: assume 1 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L448: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: assume 255 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296);~r2~0 := 2; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: assume !(255 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L539: assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L440: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L440: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2); [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L151: ~mode2~0 := 0; [2025-02-07 21:14:18,306 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume 0 != ~ep13~0 % 256;~m3~0 := ~p13_old~0;~p13_old~0 := ~nomsg~0; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume !(0 != ~ep13~0 % 256); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume 2 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume !(2 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L458: assume 2 == ~nl1~0 + ~nl2~0 + ~nl3~0;check_~tmp~1#1 := 1; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L458: assume !(2 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L450: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: ~mode2~0 := 1; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: assume !(~m3~0 > ~max3~0); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L145: assume ~max2~0 == ~id2~0;~st2~0 := 1; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L145: assume !(~max2~0 == ~id2~0);~nl2~0 := 1; [2025-02-07 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L203: 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 21:14:18,307 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L203: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume 0 != ~ep32~0 % 256;~m2~0 := ~p32_old~0;~p32_old~0 := ~nomsg~0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L484-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: ~r2~0 := 1 + (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L443: assume 0 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L443: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L154: 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 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L154: assume !(0 != ~ep21~0 % 256); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L567: assume false;assume false; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L567: assume !false; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L179: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L179: assume !(~m3~0 > ~max3~0); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume 0 != ~mode3~0 % 256; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume !(0 != ~mode3~0 % 256); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume 0 != ~ep12~0 % 256;~m2~0 := ~p12_old~0;~p12_old~0 := ~nomsg~0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume !(0 != ~ep12~0 % 256); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L436: assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L436: assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L172: assume 255 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296);~r3~0 := 2; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L172: assume !(255 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L453: assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; [2025-02-07 21:14:18,308 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L453: assume !(0 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L197: ~mode3~0 := 0; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L445: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: assume ~st1~0 + ~nl1~0 <= 1; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: assume !(~st1~0 + ~nl1~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: assume !(~m2~0 > ~max2~0); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L553: main_#t~ret32#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret32#1 && main_#t~ret32#1 <= 2147483647;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume 2 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume !(2 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: 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 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L438: assume ~st2~0 + ~nl2~0 <= 1; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L438: assume !(~st2~0 + ~nl2~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L207: ~mode3~0 := 1; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L554: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L455: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2;check_~tmp~1#1 := 1; [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L455: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:14:18,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: assume (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:14:18,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:14:18,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume !(~m2~0 > ~max2~0); [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume ~max3~0 == ~id3~0;~st3~0 := 1; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume !(~max3~0 == ~id3~0);~nl3~0 := 1; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: assume 0 != ~mode2~0 % 256; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: assume !(0 != ~mode2~0 % 256); [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L538: assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L439: assume ~st3~0 + ~nl3~0 <= 1; [2025-02-07 21:14:18,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L439: assume !(~st3~0 + ~nl3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:18,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L183: assume 0 != ~ep23~0 % 256;~m3~0 := ~p23_old~0;~p23_old~0 := ~nomsg~0; [2025-02-07 21:14:18,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L183: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:14:18,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L175: ~r3~0 := 1 + (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:14:18,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: 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 21:14:18,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: assume !(0 != ~ep31~0 % 256); [2025-02-07 21:14:18,334 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-02-07 21:14:18,335 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:14:18,342 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:14:18,342 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:14:18,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:18 BoogieIcfgContainer [2025-02-07 21:14:18,342 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:14:18,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:14:18,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:14:18,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:14:18,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:14:17" (1/3) ... [2025-02-07 21:14:18,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bf7c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:18, skipping insertion in model container [2025-02-07 21:14:18,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:17" (2/3) ... [2025-02-07 21:14:18,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bf7c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:18, skipping insertion in model container [2025-02-07 21:14:18,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:18" (3/3) ... [2025-02-07 21:14:18,351 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.UNBOUNDED.pals.c [2025-02-07 21:14:18,361 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:14:18,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.3.3.ufo.UNBOUNDED.pals.c that has 1 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:14:18,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:14:18,411 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;@5b3b24bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:14:18,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:14:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 71 states have (on average 1.8169014084507042) internal successors, (129), 72 states have internal predecessors, (129), 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 21:14:18,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:14:18,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:14:18,426 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:14:18,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 73 states, 71 states have (on average 1.8169014084507042) internal successors, (129), 72 states have internal predecessors, (129), 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 21:14:18,439 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:14:18,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:14:18 BoogieIcfgContainer [2025-02-07 21:14:18,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:14:18,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:14:18,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:14:18,446 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:14:18,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:18" (3/4) ... [2025-02-07 21:14:18,448 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:14:18,457 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:14:18,457 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:14:18,458 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:14:18,458 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:14:18,536 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:14:18,537 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:14:18,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:14:18,538 INFO L158 Benchmark]: Toolchain (without parser) took 1100.03ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 53.4MB in the end (delta: 75.9MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,538 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:18,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.55ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 112.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:18,540 INFO L158 Benchmark]: Boogie Preprocessor took 39.04ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 106.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,540 INFO L158 Benchmark]: IcfgBuilder took 607.04ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 70.6MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,540 INFO L158 Benchmark]: TraceAbstraction took 99.97ms. Allocated memory is still 167.8MB. Free memory was 70.1MB in the beginning and 62.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,540 INFO L158 Benchmark]: Witness Printer took 90.89ms. Allocated memory is still 167.8MB. Free memory was 62.1MB in the beginning and 53.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:18,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.55ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 112.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.04ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 106.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 607.04ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 70.6MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 99.97ms. Allocated memory is still 167.8MB. Free memory was 70.1MB in the beginning and 62.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 90.89ms. Allocated memory is still 167.8MB. Free memory was 62.1MB in the beginning and 53.4MB in the end (delta: 8.7MB). 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: 567]: 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, 73 locations, 1 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=73occurred 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 21:14:18,555 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