./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.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/weaver/popl20-more-buffer-mult3.wvr.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 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:17:58,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:17:58,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 01:17:58,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:17:58,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:17:58,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:17:58,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:17:58,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:17:58,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:17:58,950 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:17:58,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:17:58,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:17:58,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:17:58,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:17:58,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:17:58,952 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:17:58,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:17:58,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:17:58,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:17:58,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:17:58,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:17:58,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:17:58,953 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 -> 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b [2025-02-08 01:17:59,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:17:59,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:17:59,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:17:59,127 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:17:59,127 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:17:59,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2025-02-08 01:18:00,282 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b36a05ebd/606a44169ba641c1a98b9e8df3b9709b/FLAG93edfda66 [2025-02-08 01:18:00,536 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:18:00,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2025-02-08 01:18:00,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b36a05ebd/606a44169ba641c1a98b9e8df3b9709b/FLAG93edfda66 [2025-02-08 01:18:00,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b36a05ebd/606a44169ba641c1a98b9e8df3b9709b [2025-02-08 01:18:00,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:18:00,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:18:00,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:18:00,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:18:00,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:18:00,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:18:00" (1/1) ... [2025-02-08 01:18:00,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8e7021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:00, skipping insertion in model container [2025-02-08 01:18:00,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:18:00" (1/1) ... [2025-02-08 01:18:00,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:18:01,028 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/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2025-02-08 01:18:01,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:18:01,046 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:18:01,071 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/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2025-02-08 01:18:01,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:18:01,095 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:18:01,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01 WrapperNode [2025-02-08 01:18:01,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:18:01,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:18:01,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:18:01,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:18:01,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,134 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 278 [2025-02-08 01:18:01,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:18:01,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:18:01,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:18:01,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:18:01,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,168 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-02-08 01:18:01,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:18:01,185 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:18:01,188 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:18:01,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:18:01,189 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (1/1) ... [2025-02-08 01:18:01,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:18:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:18:01,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:18:01,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:18:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 01:18:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 01:18:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 01:18:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-08 01:18:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:18:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 01:18:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 01:18:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:18:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:18:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:18:01,255 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 01:18:01,364 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:18:01,365 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:18:01,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: havoc #t~post9#1; [2025-02-08 01:18:01,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97-1: ~q1_front~0 := 1 + #t~post9#1; [2025-02-08 01:18:01,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97-2: #t~post9#1 := ~q1_front~0; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L99: ~cond~2#1 := (if 0 == (if ~i~0 < ~N~0 || ~q1_front~0 < ~q1_back~0 then 1 else 0) then 0 else 1); [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96: havoc #t~ret8#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-1: havoc #t~mem7#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-2: ~total~0 := #t~ret8#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-3: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret8#1 && #t~ret8#1 <= 2147483647; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-4: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-5: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L96-6: #t~ret8#1 := plus_#res#1; [2025-02-08 01:18:01,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L101: [2025-02-08 01:18:01,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: havoc #t~ret11#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: havoc #t~mem10#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-2: ~total~0 := #t~ret11#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-3: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret11#1 && #t~ret11#1 <= 2147483647; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-4: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-5: havoc plus_~a#1, plus_~b#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-6: #t~ret11#1 := plus_#res#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115: havoc #t~post12#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-1: ~q2_front~0 := 1 + #t~post12#1; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L115-2: #t~post12#1 := ~q2_front~0; [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: [2025-02-08 01:18:01,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: ~cond~3#1 := (if 0 == (if ~j~0 < ~N~0 || ~q2_front~0 < ~q2_back~0 then 1 else 0) then 0 else 1); [2025-02-08 01:18:01,692 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 01:18:01,693 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:18:01,895 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L171 is not an error location. [2025-02-08 01:18:01,897 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L171 is not an error location. [2025-02-08 01:18:01,897 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:18:01,897 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:18:01,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:01 BoogieIcfgContainer [2025-02-08 01:18:01,898 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:18:01,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:18:01,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:18:01,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:18:01,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:18:00" (1/3) ... [2025-02-08 01:18:01,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9afdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:18:01, skipping insertion in model container [2025-02-08 01:18:01,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:18:01" (2/3) ... [2025-02-08 01:18:01,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9afdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:18:01, skipping insertion in model container [2025-02-08 01:18:01,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:01" (3/3) ... [2025-02-08 01:18:01,904 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult3.wvr.c [2025-02-08 01:18:01,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:18:01,916 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult3.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-08 01:18:01,916 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 01:18:01,963 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-02-08 01:18:01,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 48 transitions, 124 flow [2025-02-08 01:18:02,007 INFO L124 PetriNetUnfolderBase]: 4/44 cut-off events. [2025-02-08 01:18:02,008 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 01:18:02,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 44 events. 4/44 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2025-02-08 01:18:02,011 INFO L82 GeneralOperation]: Start removeDead. Operand has 57 places, 48 transitions, 124 flow [2025-02-08 01:18:02,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 43 transitions, 110 flow [2025-02-08 01:18:02,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:18:02,027 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;@7bc2c478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:18:02,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 01:18:02,038 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 01:18:02,038 INFO L124 PetriNetUnfolderBase]: 4/42 cut-off events. [2025-02-08 01:18:02,038 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 01:18:02,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 01:18:02,039 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:18:02,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 01:18:02,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:18:02,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1592261261, now seen corresponding path program 1 times [2025-02-08 01:18:02,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:18:02,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190136274] [2025-02-08 01:18:02,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:18:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:18:02,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 01:18:02,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 01:18:02,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:18:02,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:18:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 01:18:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:18:02,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190136274] [2025-02-08 01:18:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190136274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:18:02,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:18:02,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 01:18:02,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450060311] [2025-02-08 01:18:02,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:18:02,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 01:18:02,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:18:02,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 01:18:02,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 01:18:02,312 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 48 [2025-02-08 01:18:02,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 01:18:02,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 01:18:02,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 48 [2025-02-08 01:18:02,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 01:18:02,812 INFO L124 PetriNetUnfolderBase]: 3290/4606 cut-off events. [2025-02-08 01:18:02,813 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2025-02-08 01:18:02,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9429 conditions, 4606 events. 3290/4606 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 23587 event pairs, 2850 based on Foata normal form. 1/4438 useless extension candidates. Maximal degree in co-relation 8652. Up to 4454 conditions per place. [2025-02-08 01:18:02,829 INFO L140 encePairwiseOnDemand]: 46/48 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2025-02-08 01:18:02,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 172 flow [2025-02-08 01:18:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 01:18:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 01:18:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2025-02-08 01:18:02,838 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5069444444444444 [2025-02-08 01:18:02,842 INFO L175 Difference]: Start difference. First operand has 52 places, 43 transitions, 110 flow. Second operand 3 states and 73 transitions. [2025-02-08 01:18:02,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 172 flow [2025-02-08 01:18:02,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 156 flow, removed 0 selfloop flow, removed 8 redundant places. [2025-02-08 01:18:02,865 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2025-02-08 01:18:02,867 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2025-02-08 01:18:02,869 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, -8 predicate places. [2025-02-08 01:18:02,870 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2025-02-08 01:18:02,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 01:18:02,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-02-08 01:18:02,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-02-08 01:18:02,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 01:18:02,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-08 01:18:02,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-08 01:18:02,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 01:18:02,874 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 01:18:02,880 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 01:18:02,880 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 01:18:02,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:18:02 BasicIcfg [2025-02-08 01:18:02,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 01:18:02,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 01:18:02,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 01:18:02,885 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 01:18:02,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:18:01" (3/4) ... [2025-02-08 01:18:02,887 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 01:18:02,889 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 01:18:02,889 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 01:18:02,889 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 01:18:02,889 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-02-08 01:18:02,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 108 nodes and edges [2025-02-08 01:18:02,896 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-02-08 01:18:02,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2025-02-08 01:18:02,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 01:18:02,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 01:18:02,969 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 01:18:02,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 01:18:02,970 INFO L158 Benchmark]: Toolchain (without parser) took 2105.87ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 106.5MB in the beginning and 253.5MB in the end (delta: -147.0MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,971 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:18:02,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.96ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 90.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 01:18:02,972 INFO L158 Benchmark]: Boogie Preprocessor took 48.33ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 88.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,972 INFO L158 Benchmark]: IcfgBuilder took 712.75ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,973 INFO L158 Benchmark]: TraceAbstraction took 984.52ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 85.1MB in the beginning and 260.7MB in the end (delta: -175.6MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,973 INFO L158 Benchmark]: Witness Printer took 85.41ms. Allocated memory is still 377.5MB. Free memory was 260.7MB in the beginning and 253.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 01:18:02,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.96ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 93.6MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 90.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.33ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 88.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 712.75ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * TraceAbstraction took 984.52ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 85.1MB in the beginning and 260.7MB in the end (delta: -175.6MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Witness Printer took 85.41ms. Allocated memory is still 377.5MB. Free memory was 260.7MB in the beginning and 253.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: 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 with 1 thread instances CFG has 9 procedures, 75 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 3, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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! [2025-02-08 01:18:02,991 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