./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:34:37,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:34:37,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:34:37,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:34:37,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:34:37,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:34:37,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:34:37,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:34:37,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:34:37,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:34:37,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:34:37,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:34:37,357 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:34:37,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:34:37,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:34:37,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:34:37,358 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329 [2025-02-08 08:34:37,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:34:37,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:34:37,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:34:37,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:34:37,628 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:34:37,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-02-08 08:34:38,837 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f819b04b/698818bc0c1b4b9fb3ca108da96019e5/FLAG78684286c [2025-02-08 08:34:39,108 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:34:39,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2025-02-08 08:34:39,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f819b04b/698818bc0c1b4b9fb3ca108da96019e5/FLAG78684286c [2025-02-08 08:34:39,123 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f819b04b/698818bc0c1b4b9fb3ca108da96019e5 [2025-02-08 08:34:39,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:34:39,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:34:39,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:34:39,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:34:39,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:34:39,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5808d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39, skipping insertion in model container [2025-02-08 08:34:39,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:34:39,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:34:39,260 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:34:39,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:34:39,291 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:34:39,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39 WrapperNode [2025-02-08 08:34:39,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:34:39,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:34:39,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:34:39,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:34:39,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,332 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 19, calls inlined = 41, statements flattened = 351 [2025-02-08 08:34:39,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:34:39,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:34:39,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:34:39,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:34:39,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,363 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]. [2025-02-08 08:34:39,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:34:39,382 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:34:39,382 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:34:39,382 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:34:39,387 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (1/1) ... [2025-02-08 08:34:39,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:34:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:34:39,411 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 08:34:39,413 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 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 08:34:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 08:34:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 08:34:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:34:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:34:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:34:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:34:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:34:39,433 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 08:34:39,515 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:34:39,517 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:34:39,686 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-3: #t~ite3#1 := #t~ret2#1; [2025-02-08 08:34:39,686 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret2#1 && #t~ret2#1 <= 2147483647; [2025-02-08 08:34:39,686 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,686 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,686 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L45-7: #t~ret2#1 := minus_#res#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-3: #t~ite5#1 := #t~ret4#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret4#1 && #t~ret4#1 <= 2147483647; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L46-7: #t~ret4#1 := minus_#res#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-3: #t~ite7#1 := #t~ret6#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L47-7: #t~ret6#1 := minus_#res#1; [2025-02-08 08:34:39,782 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-3: #t~ite10#1 := #t~ret9#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret9#1 && #t~ret9#1 <= 2147483647; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L56-7: #t~ret9#1 := minus_#res#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-3: #t~ite12#1 := #t~ret11#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret11#1 && #t~ret11#1 <= 2147483647; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57-7: #t~ret11#1 := minus_#res#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-3: #t~ite14#1 := #t~ret13#1; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret13#1 && #t~ret13#1 <= 2147483647; [2025-02-08 08:34:39,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58-7: #t~ret13#1 := minus_#res#1; [2025-02-08 08:34:39,869 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-3: #t~ite19#1 := #t~ret18#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret18#1 && #t~ret18#1 <= 2147483647; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L68-7: #t~ret18#1 := minus_#res#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-3: #t~ite21#1 := #t~ret20#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret20#1 && #t~ret20#1 <= 2147483647; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L69-7: #t~ret20#1 := minus_#res#1; [2025-02-08 08:34:39,870 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-3: #t~ite17#1 := #t~ret16#1; [2025-02-08 08:34:39,871 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-4: assume { :end_inline_minus } true;assume -2147483648 <= #t~ret16#1 && #t~ret16#1 <= 2147483647; [2025-02-08 08:34:39,871 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-5: havoc minus_#in~a#1, minus_#in~b#1; [2025-02-08 08:34:39,871 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-6: havoc minus_~a#1, minus_~b#1; [2025-02-08 08:34:39,871 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L67-7: #t~ret16#1 := minus_#res#1; [2025-02-08 08:34:39,966 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:34:39,966 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:34:40,245 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-2 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109-1 is not an error location. [2025-02-08 08:34:40,246 WARN L149 AtomicBlockAnalyzer]: Unexpected successor node of atomic block begin: L109 is not an error location. [2025-02-08 08:34:40,247 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:34:40,247 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:34:40,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:34:40 BoogieIcfgContainer [2025-02-08 08:34:40,247 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:34:40,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:34:40,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:34:40,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:34:40,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:34:39" (1/3) ... [2025-02-08 08:34:40,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5538137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:34:40, skipping insertion in model container [2025-02-08 08:34:40,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:34:39" (2/3) ... [2025-02-08 08:34:40,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5538137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:34:40, skipping insertion in model container [2025-02-08 08:34:40,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:34:40" (3/3) ... [2025-02-08 08:34:40,254 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2025-02-08 08:34:40,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:34:40,266 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-collitem-subst.wvr.c that has 4 procedures, 37 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 08:34:40,266 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:34:40,316 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 08:34:40,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 36 transitions, 93 flow [2025-02-08 08:34:40,370 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-02-08 08:34:40,372 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 08:34:40,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 33 events. 0/33 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 64 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-02-08 08:34:40,373 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 36 transitions, 93 flow [2025-02-08 08:34:40,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 23 transitions, 64 flow [2025-02-08 08:34:40,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:34:40,387 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=None, 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;@a00585e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:34:40,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 08:34:40,397 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:34:40,397 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-02-08 08:34:40,397 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 08:34:40,398 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:34:40,398 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] [2025-02-08 08:34:40,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:34:40,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:34:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash 2045531741, now seen corresponding path program 1 times [2025-02-08 08:34:40,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:34:40,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568479254] [2025-02-08 08:34:40,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:34:40,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:34:40,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:34:40,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:34:40,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:34:40,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:34:40,650 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 08:34:40,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:34:40,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568479254] [2025-02-08 08:34:40,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568479254] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:34:40,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:34:40,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:34:40,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105075785] [2025-02-08 08:34:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:34:40,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:34:40,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:34:40,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:34:40,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:34:40,677 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 36 [2025-02-08 08:34:40,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 08:34:40,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:34:40,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 36 [2025-02-08 08:34:40,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:34:40,749 INFO L124 PetriNetUnfolderBase]: 124/220 cut-off events. [2025-02-08 08:34:40,750 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-02-08 08:34:40,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 220 events. 124/220 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 821 event pairs, 20 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 427. Up to 169 conditions per place. [2025-02-08 08:34:40,752 INFO L140 encePairwiseOnDemand]: 34/36 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2025-02-08 08:34:40,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 130 flow [2025-02-08 08:34:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:34:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:34:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2025-02-08 08:34:40,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46296296296296297 [2025-02-08 08:34:40,761 INFO L175 Difference]: Start difference. First operand has 33 places, 23 transitions, 64 flow. Second operand 3 states and 50 transitions. [2025-02-08 08:34:40,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 130 flow [2025-02-08 08:34:40,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-08 08:34:40,765 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2025-02-08 08:34:40,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2025-02-08 08:34:40,768 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, -8 predicate places. [2025-02-08 08:34:40,768 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2025-02-08 08:34:40,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 08:34:40,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-02-08 08:34:40,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-02-08 08:34:40,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 08:34:40,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-08 08:34:40,770 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-08 08:34:40,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:34:40,771 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 08:34:40,773 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:34:40,773 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:34:40,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:34:40 BasicIcfg [2025-02-08 08:34:40,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:34:40,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:34:40,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:34:40,777 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:34:40,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:34:40" (3/4) ... [2025-02-08 08:34:40,779 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:34:40,781 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 08:34:40,781 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 08:34:40,781 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 08:34:40,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2025-02-08 08:34:40,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-02-08 08:34:40,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-02-08 08:34:40,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:34:40,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:34:40,839 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:34:40,840 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:34:40,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:34:40,840 INFO L158 Benchmark]: Toolchain (without parser) took 1715.04ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 106.2MB in the end (delta: 26.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2025-02-08 08:34:40,840 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:34:40,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.83ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 120.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:34:40,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.64ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 118.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:34:40,841 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 115.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:34:40,841 INFO L158 Benchmark]: IcfgBuilder took 865.11ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 87.4MB in the end (delta: 28.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2025-02-08 08:34:40,841 INFO L158 Benchmark]: TraceAbstraction took 528.14ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 112.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:34:40,842 INFO L158 Benchmark]: Witness Printer took 62.85ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 106.2MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:34:40,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.83ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 120.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.64ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 118.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 115.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 865.11ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 87.4MB in the end (delta: 28.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * TraceAbstraction took 528.14ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 112.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.85ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 106.2MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 75]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 61 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:34:40,856 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