./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.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_lcr.7.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 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:15:03,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:15:03,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:15:03,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:15:03,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:15:03,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:15:03,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:15:03,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:15:03,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:15:03,516 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:15:03,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:15:03,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:15:03,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:15:03,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:15:03,517 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:15:03,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:15:03,518 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:15:03,519 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:15:03,519 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:15:03,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:15:03,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:15:03,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:15:03,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:03,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:15:03,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:15:03,520 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 -> 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 [2025-02-07 21:15:03,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:15:03,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:15:03,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:15:03,784 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:15:03,784 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:15:03,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:04,904 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa4d2e79/890300c7d90f4fa3a3f2f02b024d3ecd/FLAG183ab8c67 [2025-02-07 21:15:05,142 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:15:05,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:05,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa4d2e79/890300c7d90f4fa3a3f2f02b024d3ecd/FLAG183ab8c67 [2025-02-07 21:15:05,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afa4d2e79/890300c7d90f4fa3a3f2f02b024d3ecd [2025-02-07 21:15:05,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:15:05,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:15:05,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:05,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:15:05,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:15:05,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7850b508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05, skipping insertion in model container [2025-02-07 21:15:05,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:15:05,723 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_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2025-02-07 21:15:05,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:05,736 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:15:05,789 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_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2025-02-07 21:15:05,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:15:05,805 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:15:05,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05 WrapperNode [2025-02-07 21:15:05,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:15:05,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:05,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:15:05,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:15:05,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,846 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 455 [2025-02-07 21:15:05,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:15:05,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:15:05,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:15:05,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:15:05,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,875 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 21:15:05,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:15:05,886 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:15:05,886 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:15:05,886 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:15:05,886 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (1/1) ... [2025-02-07 21:15:05,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:15:05,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:15:05,909 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 21:15:05,911 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 21:15:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:15:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:15:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:15:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:15:06,016 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:15:06,018 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:15:06,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0;check_~tmp~1#1 := 1; [2025-02-07 21:15:06,404 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:06,404 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: ~mode6~0 := 0; [2025-02-07 21:15:06,404 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume node5_~m5~0#1 != ~nomsg~0; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume !(node5_~m5~0#1 != ~nomsg~0); [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L572: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L250: ~mode7~0 := 0; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 7; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L473: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 7); [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: assume node6_~m6~0#1 != ~nomsg~0; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: assume !(node6_~m6~0#1 != ~nomsg~0); [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume node2_~m2~0#1 > ~id2~0;~send2~0 := node2_~m2~0#1; [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L118: assume !(node2_~m2~0#1 > ~id2~0); [2025-02-07 21:15:06,405 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L242: assume node7_~m7~0#1 != ~nomsg~0; [2025-02-07 21:15:06,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L242: assume !(node7_~m7~0#1 != ~nomsg~0); [2025-02-07 21:15:06,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume node3_~m3~0#1 > ~id3~0;~send3~0 := node3_~m3~0#1; [2025-02-07 21:15:06,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !(node3_~m3~0#1 > ~id3~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L556: havoc node7_~m7~0#1;assume { :end_inline_node7 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_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 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume node4_~m4~0#1 > ~id4~0;~send4~0 := node4_~m4~0#1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume !(node4_~m4~0#1 > ~id4~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: assume node5_~m5~0#1 > ~id5~0;~send5~0 := node5_~m5~0#1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: assume !(node5_~m5~0#1 > ~id5~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L218: assume node6_~m6~0#1 > ~id6~0;~send6~0 := node6_~m6~0#1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L218: assume !(node6_~m6~0#1 > ~id6~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume node7_~m7~0#1 > ~id7~0;~send7~0 := node7_~m7~0#1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume !(node7_~m7~0#1 > ~id7~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L492-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L583: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L550: havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L476: assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L476: assume !(0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0);check_~tmp~1#1 := 0; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: assume node2_~m2~0#1 == ~id2~0;~st2~0 := 1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: assume !(node2_~m2~0#1 == ~id2~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: assume node3_~m3~0#1 == ~id3~0;~st3~0 := 1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: assume !(node3_~m3~0#1 == ~id3~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume node4_~m4~0#1 == ~id4~0;~st4~0 := 1; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L171: assume !(node4_~m4~0#1 == ~id4~0); [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L551: havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; [2025-02-07 21:15:06,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: assume node5_~m5~0#1 == ~id5~0;~st5~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: assume !(node5_~m5~0#1 == ~id5~0); [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume node6_~m6~0#1 == ~id6~0;~st6~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume !(node6_~m6~0#1 == ~id6~0); [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L246: assume node7_~m7~0#1 == ~id7~0;~st7~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L246: assume !(node7_~m7~0#1 == ~id7~0); [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585: assume false;assume false; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L585: assume !false; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L552: havoc node3_~m3~0#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L164: assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L164: assume !(0 != ~mode4~0 % 256);~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256);~mode4~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 7;check_~tmp~1#1 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 7); [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L189: assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L189: assume !(0 != ~mode5~0 % 256);~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256);~mode5~0 := 1; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; [2025-02-07 21:15:06,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: assume !(0 != ~mode6~0 % 256);~p6_new~0 := (if (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 <= 127 then (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 else (if ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0 then ~send6~0 else ~p6_new~0) % 256 - 256);~mode6~0 := 1; [2025-02-07 21:15:06,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume 0 != ~mode7~0 % 256;node7_~m7~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; [2025-02-07 21:15:06,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume !(0 != ~mode7~0 % 256);~p7_new~0 := (if (if ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0 then ~send7~0 else ~p7_new~0) % 256 <= 127 then (if ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0 then ~send7~0 else ~p7_new~0) % 256 else (if ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0 then ~send7~0 else ~p7_new~0) % 256 - 256);~mode7~0 := 1; [2025-02-07 21:15:06,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L553: havoc node4_~m4~0#1;assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L554: havoc node5_~m5~0#1;assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: ~mode2~0 := 0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L571: main_#t~ret34#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret34#1 && main_#t~ret34#1 <= 2147483647;main_~c1~0#1 := main_#t~ret34#1;havoc main_#t~ret34#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 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L472: assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L472: assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L150: ~mode3~0 := 0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume node2_~m2~0#1 != ~nomsg~0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume !(node2_~m2~0#1 != ~nomsg~0); [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L175: ~mode4~0 := 0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: assume node3_~m3~0#1 != ~nomsg~0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: assume !(node3_~m3~0#1 != ~nomsg~0); [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L555: havoc node6_~m6~0#1;assume { :end_inline_node6 } true;assume { :begin_inline_node7 } true;havoc node7_~m7~0#1;havoc node7_~m7~0#1;node7_~m7~0#1 := ~nomsg~0; [2025-02-07 21:15:06,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: ~mode5~0 := 0; [2025-02-07 21:15:06,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume node4_~m4~0#1 != ~nomsg~0; [2025-02-07 21:15:06,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume !(node4_~m4~0#1 != ~nomsg~0); [2025-02-07 21:15:06,425 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-07 21:15:06,427 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:15:06,437 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:15:06,438 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:15:06,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:06 BoogieIcfgContainer [2025-02-07 21:15:06,439 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:15:06,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:15:06,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:15:06,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:15:06,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:15:05" (1/3) ... [2025-02-07 21:15:06,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:06, skipping insertion in model container [2025-02-07 21:15:06,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:15:05" (2/3) ... [2025-02-07 21:15:06,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:15:06, skipping insertion in model container [2025-02-07 21:15:06,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:06" (3/3) ... [2025-02-07 21:15:06,446 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c [2025-02-07 21:15:06,457 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:15:06,461 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c that has 1 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:15:06,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:15:06,515 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;@410661a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:15:06,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:15:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 63 states have (on average 1.9047619047619047) internal successors, (120), 64 states have internal predecessors, (120), 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 21:15:06,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:15:06,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:15:06,530 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:15:06,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 65 states, 63 states have (on average 1.9047619047619047) internal successors, (120), 64 states have internal predecessors, (120), 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 21:15:06,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:15:06,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:15:06 BoogieIcfgContainer [2025-02-07 21:15:06,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:15:06,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:15:06,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:15:06,554 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:15:06,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:15:06" (3/4) ... [2025-02-07 21:15:06,556 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:15:06,568 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:15:06,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:15:06,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:15:06,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:15:06,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:15:06,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:15:06,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:15:06,661 INFO L158 Benchmark]: Toolchain (without parser) took 1183.32ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 105.5MB in the end (delta: 6.5MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,661 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:06,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 94.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:15:06,661 INFO L158 Benchmark]: Boogie Preprocessor took 37.96ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,662 INFO L158 Benchmark]: IcfgBuilder took 553.33ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 54.4MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,662 INFO L158 Benchmark]: TraceAbstraction took 111.70ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 46.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,662 INFO L158 Benchmark]: Witness Printer took 106.29ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 105.5MB in the end (delta: -59.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2025-02-07 21:15:06,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 94.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.96ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 553.33ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 54.4MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 111.70ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 46.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 106.29ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 105.5MB in the end (delta: -59.9MB). Peak memory consumption was 15.2MB. 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: 585]: 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, 65 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=65occurred 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 21:15:06,673 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