./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.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_opt-floodmax.3_overflow.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 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:15:13,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:15:13,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:15:13,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:15:13,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:15:13,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:15:13,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:15:13,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:15:13,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:15:13,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:15:13,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:15:13,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:15:13,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:15:13,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:13,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:15:13,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:15:13,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:15:13,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:15:13,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:15:13,541 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 -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2025-02-07 21:15:13,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:15:13,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:15:13,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:15:13,804 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:15:13,804 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:15:13,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:14,946 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1aecc6b9/0d3f50837a2343069bf15e2f75a79535/FLAG54aabc4f8 [2025-02-07 21:15:15,213 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:15:15,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:15,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1aecc6b9/0d3f50837a2343069bf15e2f75a79535/FLAG54aabc4f8 [2025-02-07 21:15:15,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1aecc6b9/0d3f50837a2343069bf15e2f75a79535 [2025-02-07 21:15:15,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:15:15,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:15:15,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:15,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:15:15,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:15:15,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8061b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15, skipping insertion in model container [2025-02-07 21:15:15,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:15:15,431 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.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2025-02-07 21:15:15,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:15,441 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:15:15,477 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.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2025-02-07 21:15:15,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:15,492 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:15:15,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15 WrapperNode [2025-02-07 21:15:15,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:15,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:15,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:15:15,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:15:15,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,548 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 487 [2025-02-07 21:15:15,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:15,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:15:15,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:15:15,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:15:15,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,567 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 21:15:15,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:15:15,588 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:15:15,588 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:15:15,588 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:15:15,589 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (1/1) ... [2025-02-07 21:15:15,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:15,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:15:15,619 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 21:15:15,625 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 21:15:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:15:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:15:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:15:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:15:15,718 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:15:15,719 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: ~mode3~0 := 1; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L572: 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 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: assume 0 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume 0 != ~ep23~0 % 256; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: ~mode2~0 := 0; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L573: havoc node3_~newmax~2#1;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 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L185: assume 0 != ~mode3~0 % 256;~r3~0 := 1 + (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L185: assume !(0 != ~mode3~0 % 256); [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L152: ~newmax2~0 := (if 0 == node2_~newmax~1#1 % 256 then 0 else 1); [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L466: assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; [2025-02-07 21:15:16,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L466: assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume 0 != ~ep32~0 % 256;~m2~0 := ~p32_old~0;~p32_old~0 := ~nomsg~0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L169: 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 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L169: assume !(0 != ~newmax2~0 % 256); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume 0 != ~ep12~0 % 256;~m2~0 := ~p12_old~0;~p12_old~0 := ~nomsg~0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !(0 != ~ep12~0 % 256); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L483: assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L483: assume !(0 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L475: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L475: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume 0 != ~ep32~0 % 256; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume !(0 != ~ep32~0 % 256); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume 2 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume !(2 == (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: assume ~st1~0 + ~nl1~0 <= 1; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: assume !(~st1~0 + ~nl1~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: ~mode3~0 := 0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L203: ~newmax3~0 := (if 0 == node3_~newmax~2#1 % 256 then 0 else 1); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L195: assume 0 != ~ep23~0 % 256;~m3~0 := ~p23_old~0;~p23_old~0 := ~nomsg~0; [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L195: assume !(0 != ~ep23~0 % 256); [2025-02-07 21:15:16,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L162: assume (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L162: assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L220: 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 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L220: assume !(0 != ~newmax3~0 % 256); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume 0 != ~ep13~0 % 256;~m3~0 := ~p13_old~0;~p13_old~0 := ~nomsg~0; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume !(0 != ~ep13~0 % 256); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L154: assume ~max2~0 == ~id2~0;~st2~0 := 1; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L154: assume !(~max2~0 == ~id2~0);~nl2~0 := 1; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L600: assume false;assume false; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L600: assume !false; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L468: assume ~st2~0 + ~nl2~0 <= 1; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L468: assume !(~st2~0 + ~nl2~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: assume 2 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: assume !(2 == (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296)); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L485: 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 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L485: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume 0 != ~ep21~0 % 256; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L163: assume !(0 != ~ep21~0 % 256); [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L469: assume ~st3~0 + ~nl3~0 <= 1; [2025-02-07 21:15:16,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L469: assume !(~st3~0 + ~nl3~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L213: assume (if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 2; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L213: assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 2); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0;node2_~newmax~1#1 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: assume !(~m2~0 > ~max2~0); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: assume ~max3~0 == ~id3~0;~st3~0 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: assume !(~max3~0 == ~id3~0);~nl3~0 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume ~m2~0 > ~max2~0;~max2~0 := ~m2~0;node2_~newmax~1#1 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !(~m2~0 > ~max2~0); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L164: 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 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L164: assume !(0 != ~newmax2~0 % 256); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: assume 1 == ~st1~0 + ~st2~0 + ~st3~0; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L470: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L470: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume 0 != ~ep31~0 % 256; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume !(0 != ~ep31~0 % 256); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L586: main_#t~ret35#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647;main_~c1~0#1 := main_#t~ret35#1;havoc main_#t~ret35#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 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L198: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0;node3_~newmax~2#1 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L198: assume !(~m3~0 > ~max3~0); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume ~m3~0 > ~max3~0;~max3~0 := ~m3~0;node3_~newmax~2#1 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume !(~m3~0 > ~max3~0); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L215: 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 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L215: assume !(0 != ~newmax3~0 % 256); [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L174: ~mode2~0 := 1; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L587: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; [2025-02-07 21:15:16,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L488: assume 2 == ~nl1~0 + ~nl2~0 + ~nl3~0;check_~tmp~1#1 := 1; [2025-02-07 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L488: assume !(2 == ~nl1~0 + ~nl2~0 + ~nl3~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L480: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2; [2025-02-07 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L480: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 2); [2025-02-07 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L571: 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 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: assume 0 != ~mode2~0 % 256;~r2~0 := 1 + (if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:15:16,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: assume !(0 != ~mode2~0 % 256); [2025-02-07 21:15:16,116 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2025-02-07 21:15:16,116 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:15:16,126 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:15:16,126 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:15:16,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:16 BoogieIcfgContainer [2025-02-07 21:15:16,126 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:15:16,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:15:16,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:15:16,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:15:16,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:15:15" (1/3) ... [2025-02-07 21:15:16,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe1bf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:16, skipping insertion in model container [2025-02-07 21:15:16,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:15" (2/3) ... [2025-02-07 21:15:16,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe1bf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:16, skipping insertion in model container [2025-02-07 21:15:16,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:16" (3/3) ... [2025-02-07 21:15:16,133 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:16,142 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:15:16,144 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c that has 1 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:15:16,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:15:16,188 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;@601342e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:15:16,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:15:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 75 states have (on average 1.8266666666666667) internal successors, (137), 76 states have internal predecessors, (137), 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 21:15:16,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:15:16,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:15:16,200 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:15:16,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 77 states, 75 states have (on average 1.8266666666666667) internal successors, (137), 76 states have internal predecessors, (137), 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 21:15:16,212 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:15:16,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:15:16 BoogieIcfgContainer [2025-02-07 21:15:16,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:15:16,220 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:15:16,220 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:15:16,220 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:15:16,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:16" (3/4) ... [2025-02-07 21:15:16,223 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:15:16,230 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:15:16,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:15:16,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:15:16,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:15:16,316 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:15:16,316 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:15:16,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:15:16,317 INFO L158 Benchmark]: Toolchain (without parser) took 1071.15ms. Allocated memory is still 167.8MB. Free memory was 136.1MB in the beginning and 57.2MB in the end (delta: 78.9MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,317 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:16,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.81ms. Allocated memory is still 167.8MB. Free memory was 136.1MB in the beginning and 118.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.25ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 115.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:16,318 INFO L158 Benchmark]: Boogie Preprocessor took 39.01ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 112.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,319 INFO L158 Benchmark]: IcfgBuilder took 538.09ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 74.9MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,319 INFO L158 Benchmark]: TraceAbstraction took 91.59ms. Allocated memory is still 167.8MB. Free memory was 74.0MB in the beginning and 66.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,319 INFO L158 Benchmark]: Witness Printer took 95.97ms. Allocated memory is still 167.8MB. Free memory was 66.0MB in the beginning and 57.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:16,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.81ms. Allocated memory is still 167.8MB. Free memory was 136.1MB in the beginning and 118.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.25ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 115.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.01ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 112.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 538.09ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 74.9MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 91.59ms. Allocated memory is still 167.8MB. Free memory was 74.0MB in the beginning and 66.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 95.97ms. Allocated memory is still 167.8MB. Free memory was 66.0MB in the beginning and 57.2MB in the end (delta: 8.8MB). 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: 600]: 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, 77 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=77occurred 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 21:15:16,334 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