./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/goblint-regression/09-regions_12-arraycollapse_rc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:04:20,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:04:20,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 14:04:20,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:04:20,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:04:20,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:04:20,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:04:20,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:04:20,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:04:20,145 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:04:20,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 14:04:20,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 14:04:20,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:04:20,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 14:04:20,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:04:20,147 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:04:20,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 14:04:20,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 14:04:20,147 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 ! overflow) ) 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 -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2025-02-08 14:04:20,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:04:20,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:04:20,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:04:20,358 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:04:20,358 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:04:20,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2025-02-08 14:04:21,543 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ef9939ee/b3b288c811604990a9aaa8d4cd476b7d/FLAG2bc016ce6 [2025-02-08 14:04:21,897 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:04:21,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2025-02-08 14:04:21,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ef9939ee/b3b288c811604990a9aaa8d4cd476b7d/FLAG2bc016ce6 [2025-02-08 14:04:21,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ef9939ee/b3b288c811604990a9aaa8d4cd476b7d [2025-02-08 14:04:21,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:04:21,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:04:21,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:04:21,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:04:21,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:04:21,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:04:21" (1/1) ... [2025-02-08 14:04:21,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1067fd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:21, skipping insertion in model container [2025-02-08 14:04:21,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:04:21" (1/1) ... [2025-02-08 14:04:21,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:04:22,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:04:22,549 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:04:22,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:04:22,663 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:04:22,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22 WrapperNode [2025-02-08 14:04:22,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:04:22,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:04:22,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:04:22,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:04:22,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,714 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 217 [2025-02-08 14:04:22,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:04:22,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:04:22,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:04:22,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:04:22,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,754 INFO L175 MemorySlicer]: Split 88 memory accesses to 3 slices as follows [50, 16, 22]. 57 percent of accesses are in the largest equivalence class. The 60 initializations are split as follows [50, 10, 0]. The 17 writes are split as follows [0, 1, 16]. [2025-02-08 14:04:22,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:04:22,773 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:04:22,773 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:04:22,773 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:04:22,774 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (1/1) ... [2025-02-08 14:04:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:04:22,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:04:22,798 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 14:04:22,800 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 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 14:04:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:04:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 14:04:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 14:04:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 14:04:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 14:04:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:04:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:04:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:04:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:04:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:04:22,821 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 14:04:22,965 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:04:22,967 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:04:23,298 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-8: main_#t~ret38#1.base, main_#t~ret38#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-9: havoc new_#t~malloc30#1.base, new_#t~malloc30#1.offset, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-10: havoc new_#res#1.base, new_#res#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-11: assume { :begin_inline_new } true;new_#in~x#1 := 2; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1241-4: havoc list_add_#t~mem31#1.base, list_add_#t~mem31#1.offset, list_add_~node#1.base, list_add_~node#1.offset, list_add_~list#1.base, list_add_~list#1.offset, list_add_~temp~0#1.base, list_add_~temp~0#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1241-5: SUMMARY for call write~$Pointer$#2(list_add_~temp~0#1.base, list_add_~temp~0#1.offset, list_add_~node#1.base, 4 + list_add_~node#1.offset, 4); srcloc: null [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1232-1: new_~x#1 := new_#in~x#1; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1233-3: havoc new_#t~malloc30#1.base, new_#t~malloc30#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1233-4: new_~p~0#1.base, new_~p~0#1.offset := new_#t~malloc30#1.base, new_#t~malloc30#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1233-5: SUMMARY for call new_#t~malloc30#1.base, new_#t~malloc30#1.offset := #Ultimate.allocOnHeap(8); srcloc: null [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1234-1: SUMMARY for call write~int#2(new_~x#1, new_~p~0#1.base, new_~p~0#1.offset, 4); srcloc: null [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235-2: new_#res#1.base, new_#res#1.offset := new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1235-3: SUMMARY for call write~$Pointer$#2(0, 0, new_~p~0#1.base, 4 + new_~p~0#1.offset, 4); srcloc: null [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-1: havoc main_#t~post40#1; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-2: assume 1 + main_#t~post40#1 <= 2147483647; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-2: assume !(1 + main_#t~post40#1 <= 2147483647); [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-3: main_~i~1#1 := 1 + main_#t~post40#1; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-4: assume 1 + main_#t~post40#1 >= -2147483648; [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-4: assume !(1 + main_#t~post40#1 >= -2147483648); [2025-02-08 14:04:23,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1254-5: main_#t~post40#1 := main_~i~1#1; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1238-4: list_add_~list#1.base, list_add_~list#1.offset := list_add_#in~list#1.base, list_add_#in~list#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1238-5: list_add_~node#1.base, list_add_~node#1.offset := list_add_#in~node#1.base, list_add_#in~node#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1239-6: havoc list_add_#t~mem31#1.base, list_add_#t~mem31#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1239-7: list_add_~temp~0#1.base, list_add_~temp~0#1.offset := list_add_#t~mem31#1.base, list_add_#t~mem31#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1239-8: SUMMARY for call list_add_#t~mem31#1.base, list_add_#t~mem31#1.offset := read~$Pointer$#2(list_add_~list#1.base, 4 + list_add_~list#1.offset, 4); srcloc: null [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1256: havoc main_#t~ret37#1.base, main_#t~ret37#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1256-1: SUMMARY for call write~$Pointer$#1(main_#t~ret37#1.base, main_#t~ret37#1.offset, ~#slot~0.base, ~#slot~0.offset + 4 * main_~i~1#1, 4); srcloc: null [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1256-2: havoc new_#in~x#1;assume { :end_inline_new } true; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1256-3: havoc new_#t~malloc30#1.base, new_#t~malloc30#1.offset, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1256-4: main_#t~ret37#1.base, main_#t~ret37#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1240-2: SUMMARY for call write~$Pointer$#2(list_add_~node#1.base, list_add_~node#1.offset, list_add_~list#1.base, 4 + list_add_~list#1.offset, 4); srcloc: null [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257: havoc main_#t~mem39#1.base, main_#t~mem39#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-1: assume { :end_inline_list_add } true;havoc main_#t~ret38#1.base, main_#t~ret38#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-2: havoc list_add_#in~node#1.base, list_add_#in~node#1.offset, list_add_#in~list#1.base, list_add_#in~list#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-3: havoc list_add_#t~mem31#1.base, list_add_#t~mem31#1.offset, list_add_~node#1.base, list_add_~node#1.offset, list_add_~list#1.base, list_add_~list#1.offset, list_add_~temp~0#1.base, list_add_~temp~0#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-4: assume { :begin_inline_list_add } true;list_add_#in~node#1.base, list_add_#in~node#1.offset, list_add_#in~list#1.base, list_add_#in~list#1.offset := main_#t~ret38#1.base, main_#t~ret38#1.offset, main_#t~mem39#1.base, main_#t~mem39#1.offset; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-5: SUMMARY for call main_#t~mem39#1.base, main_#t~mem39#1.offset := read~$Pointer$#1(~#slot~0.base, ~#slot~0.offset + 4 * main_~i~1#1, 4); srcloc: null [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-6: havoc new_#in~x#1;assume { :end_inline_new } true; [2025-02-08 14:04:23,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1257-7: havoc new_#t~malloc30#1.base, new_#t~malloc30#1.offset, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 14:04:23,364 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 14:04:23,364 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:04:23,684 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:04:23,685 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:04:23,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:04:23 BoogieIcfgContainer [2025-02-08 14:04:23,685 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:04:23,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 14:04:23,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 14:04:23,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 14:04:23,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:04:21" (1/3) ... [2025-02-08 14:04:23,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:04:23, skipping insertion in model container [2025-02-08 14:04:23,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:04:22" (2/3) ... [2025-02-08 14:04:23,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:04:23, skipping insertion in model container [2025-02-08 14:04:23,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:04:23" (3/3) ... [2025-02-08 14:04:23,692 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2025-02-08 14:04:23,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 14:04:23,706 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_12-arraycollapse_rc.i that has 2 procedures, 16 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-08 14:04:23,706 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 14:04:23,743 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 14:04:23,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 15 transitions, 34 flow [2025-02-08 14:04:23,805 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-02-08 14:04:23,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:04:23,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 14 events. 0/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-02-08 14:04:23,812 INFO L82 GeneralOperation]: Start removeDead. Operand has 19 places, 15 transitions, 34 flow [2025-02-08 14:04:23,815 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2025-02-08 14:04:23,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:04:23,848 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;@5dfde721, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:04:23,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 14:04:23,848 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2025-02-08 14:04:23,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:04:23,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2025-02-08 14:04:23,851 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-08 14:04:23,865 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 14:04:23,866 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 14:04:23,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 02:04:23 BasicIcfg [2025-02-08 14:04:23,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 14:04:23,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:04:23,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:04:23,872 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:04:23,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:04:23" (3/4) ... [2025-02-08 14:04:23,875 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 14:04:23,878 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-08 14:04:23,884 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2025-02-08 14:04:23,884 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2025-02-08 14:04:23,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-02-08 14:04:23,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 14:04:23,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 14:04:23,885 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 14:04:23,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 14:04:23,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 14:04:23,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:04:23,964 INFO L158 Benchmark]: Toolchain (without parser) took 2020.12ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 57.7MB in the end (delta: 52.7MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,964 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.37ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 70.1MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.84ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 66.6MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: Boogie Preprocessor took 56.75ms. Allocated memory is still 142.6MB. Free memory was 66.6MB in the beginning and 63.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: IcfgBuilder took 912.35ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 77.7MB in the end (delta: -14.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: TraceAbstraction took 184.20ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 64.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,965 INFO L158 Benchmark]: Witness Printer took 91.43ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 57.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:04:23,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.37ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 70.1MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.84ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 66.6MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.75ms. Allocated memory is still 142.6MB. Free memory was 66.6MB in the beginning and 63.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 912.35ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 77.7MB in the end (delta: -14.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 184.20ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 64.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 91.43ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 57.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 23 locations, 1 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: 0.1s, 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=0occurred 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 14:04:23,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE