./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.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-var-start-time.6.ufo.BOUNDED-12.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 a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:14:49,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:14:49,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:14:49,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:14:49,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:14:49,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:14:49,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:14:49,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:14:49,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:14:49,547 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:14:49,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:14:49,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:14:49,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:14:49,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:14:49,547 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:14:49,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:14:49,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:49,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:14:49,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:14:49,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:14:49,553 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 -> a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a [2025-02-07 21:14:49,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:14:49,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:14:49,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:14:49,874 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:14:49,874 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:14:49,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2025-02-07 21:14:51,058 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b3cc183f/1f5ff369653f45b8b05a7629404f9942/FLAG45be819e4 [2025-02-07 21:14:51,310 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:14:51,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2025-02-07 21:14:51,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b3cc183f/1f5ff369653f45b8b05a7629404f9942/FLAG45be819e4 [2025-02-07 21:14:51,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b3cc183f/1f5ff369653f45b8b05a7629404f9942 [2025-02-07 21:14:51,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:14:51,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:14:51,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:51,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:14:51,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:14:51,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:51,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b5d94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51, skipping insertion in model container [2025-02-07 21:14:51,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:51,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:14:51,895 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-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2025-02-07 21:14:51,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:51,908 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:14:51,965 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-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2025-02-07 21:14:51,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:14:51,978 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:14:51,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51 WrapperNode [2025-02-07 21:14:51,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:14:51,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:51,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:14:51,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:14:51,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:51,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,026 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 452 [2025-02-07 21:14:52,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:14:52,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:14:52,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:14:52,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:14:52,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,062 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 21:14:52,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:14:52,087 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:14:52,087 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:14:52,087 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:14:52,088 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (1/1) ... [2025-02-07 21:14:52,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:14:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:14:52,113 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 21:14:52,116 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 21:14:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:14:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:14:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:14:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:14:52,189 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:14:52,190 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:14:52,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: assume 0 != ~alive5~0 % 256; [2025-02-07 21:14:52,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: assume !(0 != ~alive5~0 % 256);~send5~0 := node5_~m5~0#1; [2025-02-07 21:14:52,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume node4_~m4~0#1 > ~id4~0;~send4~0 := node4_~m4~0#1; [2025-02-07 21:14:52,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: assume !(node4_~m4~0#1 > ~id4~0); [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L473-1: check_#res#1 := check_~tmp~1#1; [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L564: assume false;assume false; [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L564: assume !false; [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L275: assume ~send6~0 != ~id6~0;~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); [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L275: assume !(~send6~0 != ~id6~0); [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L531: 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 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L465: assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0;check_~tmp~1#1 := 1; [2025-02-07 21:14:52,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L465: assume !(1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0);check_~tmp~1#1 := 0; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: ~mode3~0 := 1; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: ~mode3~0 := 0; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: assume 0 != ~alive6~0 % 256; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: assume !(0 != ~alive6~0 % 256);~send6~0 := node6_~m6~0#1; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume node5_~m5~0#1 > ~id5~0;~send5~0 := node5_~m5~0#1; [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume !(node5_~m5~0#1 > ~id5~0); [2025-02-07 21:14:52,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L127: assume node2_~m2~0#1 == ~id2~0;~st2~0 := 1; [2025-02-07 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L127: assume !(node2_~m2~0#1 == ~id2~0); [2025-02-07 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; [2025-02-07 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: assume !(0 != ~mode2~0 % 256); [2025-02-07 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L532: 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 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L210: ~mode4~0 := 1; [2025-02-07 21:14:52,603 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: ~mode4~0 := 0; [2025-02-07 21:14:52,604 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume 0 != ~alive2~0 % 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); [2025-02-07 21:14:52,604 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !(0 != ~alive2~0 % 256); [2025-02-07 21:14:52,604 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L549: main_#t~ret36#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;assume -2147483648 <= main_#t~ret36#1 && main_#t~ret36#1 <= 2147483647;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#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 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260: assume node6_~m6~0#1 > ~id6~0;~send6~0 := node6_~m6~0#1; [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260: assume !(node6_~m6~0#1 > ~id6~0); [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume node3_~m3~0#1 == ~id3~0;~st3~0 := 1; [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !(node3_~m3~0#1 == ~id3~0); [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: assume !(0 != ~mode3~0 % 256); [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: 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 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: ~mode5~0 := 1; [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L236: ~mode5~0 := 0; [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: assume 0 != ~alive3~0 % 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); [2025-02-07 21:14:52,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: assume !(0 != ~alive3~0 % 256); [2025-02-07 21:14:52,606 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L550: havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post37#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post37#1;havoc main_#t~post37#1; [2025-02-07 21:14:52,606 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L195: assume node4_~m4~0#1 == ~id4~0;~st4~0 := 1; [2025-02-07 21:14:52,606 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L195: assume !(node4_~m4~0#1 == ~id4~0); [2025-02-07 21:14:52,606 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; [2025-02-07 21:14:52,609 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: assume !(0 != ~mode4~0 % 256); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: ~mode6~0 := 1; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L534: 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 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: ~mode6~0 := 0; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: assume 0 != ~alive4~0 % 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); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: assume !(0 != ~alive4~0 % 256); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume node5_~m5~0#1 == ~id5~0;~st5~0 := 1; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: assume !(node5_~m5~0#1 == ~id5~0); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L221: assume !(0 != ~mode5~0 % 256); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume node2_~m2~0#1 != ~nomsg~0; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !(node2_~m2~0#1 != ~nomsg~0); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L535: 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 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume 0 != ~alive5~0 % 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); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume !(0 != ~alive5~0 % 256); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L461: assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L461: assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume ~send2~0 != ~id2~0;~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); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !(~send2~0 != ~id2~0); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: assume node6_~m6~0#1 == ~id6~0;~st6~0 := 1; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: assume !(node6_~m6~0#1 == ~id6~0); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: assume !(0 != ~mode6~0 % 256); [2025-02-07 21:14:52,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume node3_~m3~0#1 != ~nomsg~0; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume !(node3_~m3~0#1 != ~nomsg~0); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume 0 != ~alive2~0 % 256; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !(0 != ~alive2~0 % 256);~send2~0 := node2_~m2~0#1; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L536: havoc node6_~m6~0#1;assume { :end_inline_node6 } 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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L272: assume 0 != ~alive6~0 % 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); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L272: assume !(0 != ~alive6~0 % 256); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: assume ~r1~0 < 6;check_~tmp~1#1 := 1; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: assume !(~r1~0 < 6); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: assume ~send3~0 != ~id3~0;~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); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: assume !(~send3~0 != ~id3~0); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume node4_~m4~0#1 != ~nomsg~0; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L190: assume !(node4_~m4~0#1 != ~nomsg~0); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: assume 0 != ~alive3~0 % 256; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: assume !(0 != ~alive3~0 % 256);~send3~0 := node3_~m3~0#1; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L124: assume node2_~m2~0#1 > ~id2~0;~send2~0 := node2_~m2~0#1; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L124: assume !(node2_~m2~0#1 > ~id2~0); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L562: assume 0 == assert_~arg#1 % 256; [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L562: assume !(0 == assert_~arg#1 % 256); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L207: assume ~send4~0 != ~id4~0;~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); [2025-02-07 21:14:52,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L207: assume !(~send4~0 != ~id4~0); [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L224: assume node5_~m5~0#1 != ~nomsg~0; [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L224: assume !(node5_~m5~0#1 != ~nomsg~0); [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume 0 != ~alive4~0 % 256; [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L191: assume !(0 != ~alive4~0 % 256);~send4~0 := node4_~m4~0#1; [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L158: assume node3_~m3~0#1 > ~id3~0;~send3~0 := node3_~m3~0#1; [2025-02-07 21:14:52,612 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L158: assume !(node3_~m3~0#1 > ~id3~0); [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume ~send5~0 != ~id5~0;~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); [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume !(~send5~0 != ~id5~0); [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: ~mode2~0 := 1; [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: ~mode2~0 := 0; [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258: assume node6_~m6~0#1 != ~nomsg~0; [2025-02-07 21:14:52,613 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258: assume !(node6_~m6~0#1 != ~nomsg~0); [2025-02-07 21:14:52,631 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-07 21:14:52,632 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:14:52,640 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:14:52,641 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:14:52,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:52 BoogieIcfgContainer [2025-02-07 21:14:52,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:14:52,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:14:52,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:14:52,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:14:52,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:14:51" (1/3) ... [2025-02-07 21:14:52,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1cf9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:52, skipping insertion in model container [2025-02-07 21:14:52,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:14:51" (2/3) ... [2025-02-07 21:14:52,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1cf9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:14:52, skipping insertion in model container [2025-02-07 21:14:52,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:52" (3/3) ... [2025-02-07 21:14:52,650 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2025-02-07 21:14:52,661 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:14:52,665 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c that has 1 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:14:52,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:14:52,727 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;@337d4a43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:14:52,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:14:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 56 states have (on average 1.8928571428571428) internal successors, (106), 57 states have internal predecessors, (106), 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 21:14:52,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:14:52,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:14:52,739 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:14:52,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 56 states have (on average 1.8928571428571428) internal successors, (106), 57 states have internal predecessors, (106), 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 21:14:52,750 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:14:52,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:14:52 BoogieIcfgContainer [2025-02-07 21:14:52,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:14:52,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:14:52,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:14:52,758 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:14:52,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:14:52" (3/4) ... [2025-02-07 21:14:52,760 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:14:52,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:14:52,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 21:14:52,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:14:52,768 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:14:52,832 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:14:52,833 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:14:52,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:14:52,834 INFO L158 Benchmark]: Toolchain (without parser) took 1195.53ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 49.9MB in the end (delta: 76.7MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,834 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:52,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 108.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,835 INFO L158 Benchmark]: Boogie Preprocessor took 56.64ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:14:52,835 INFO L158 Benchmark]: IcfgBuilder took 555.17ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 66.7MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,835 INFO L158 Benchmark]: TraceAbstraction took 114.08ms. Allocated memory is still 167.8MB. Free memory was 66.7MB in the beginning and 58.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,835 INFO L158 Benchmark]: Witness Printer took 74.72ms. Allocated memory is still 167.8MB. Free memory was 58.3MB in the beginning and 49.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:14:52,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 108.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.64ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 555.17ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 66.7MB in the end (delta: 36.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 114.08ms. Allocated memory is still 167.8MB. Free memory was 66.7MB in the beginning and 58.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 74.72ms. Allocated memory is still 167.8MB. Free memory was 58.3MB in the beginning and 49.9MB in the end (delta: 8.4MB). 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: 564]: 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, 58 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=58occurred 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 21:14:52,849 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