./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:09:26,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:09:26,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-19 06:09:26,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:09:26,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:09:26,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:09:26,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:09:26,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:09:26,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:09:26,898 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:09:26,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:09:26,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:09:26,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:09:26,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:09:26,901 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:09:26,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:09:26,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:09:26,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:09:26,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:09:26,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:09:26,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:09:26,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:09:26,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:09:26,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:09:26,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:09:26,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:09:26,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:09:26,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:09:26,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:09:26,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:09:26,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:09:26,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:09:26,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:09:26,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:09:26,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:09:26,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:09:26,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:09:26,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:09:26,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:09:26,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:09:26,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:09:26,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:09:26,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:09:26,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:09:26,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:09:26,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 [2024-11-19 06:09:27,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:09:27,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:09:27,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:09:27,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:09:27,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:09:27,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2024-11-19 06:09:28,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:09:28,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:09:28,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2024-11-19 06:09:28,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8c601d4/111cc7b0a8f748f4ab57c17138c5ccd5/FLAG35e6907dd [2024-11-19 06:09:28,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8c601d4/111cc7b0a8f748f4ab57c17138c5ccd5 [2024-11-19 06:09:28,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:09:28,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:09:28,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:09:28,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:09:28,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:09:28,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:09:28" (1/1) ... [2024-11-19 06:09:28,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b14146b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:28, skipping insertion in model container [2024-11-19 06:09:28,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:09:28" (1/1) ... [2024-11-19 06:09:28,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:09:29,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:09:29,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:09:29,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:09:29,184 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:09:29,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29 WrapperNode [2024-11-19 06:09:29,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:09:29,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:09:29,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:09:29,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:09:29,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,237 INFO L138 Inliner]: procedures = 140, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 236 [2024-11-19 06:09:29,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:09:29,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:09:29,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:09:29,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:09:29,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,284 INFO L175 MemorySlicer]: Split 48 memory accesses to 3 slices as follows [40, 2, 6]. 83 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [0, 2, 1]. The 13 writes are split as follows [11, 0, 2]. [2024-11-19 06:09:29,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:09:29,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:09:29,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:09:29,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:09:29,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (1/1) ... [2024-11-19 06:09:29,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:09:29,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:29,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:09:29,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:09:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-19 06:09:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-19 06:09:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2024-11-19 06:09:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2024-11-19 06:09:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:09:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:09:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2024-11-19 06:09:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2024-11-19 06:09:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:09:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 06:09:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 06:09:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 06:09:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:09:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:09:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 06:09:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 06:09:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 06:09:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:09:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2024-11-19 06:09:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2024-11-19 06:09:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 06:09:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 06:09:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:09:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:09:29,526 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:09:29,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:09:29,841 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-19 06:09:29,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:09:29,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:09:29,855 INFO L316 CfgBuilder]: Removed 38 assume(true) statements. [2024-11-19 06:09:29,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:09:29 BoogieIcfgContainer [2024-11-19 06:09:29,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:09:29,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:09:29,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:09:29,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:09:29,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:09:28" (1/3) ... [2024-11-19 06:09:29,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773096e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:09:29, skipping insertion in model container [2024-11-19 06:09:29,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:09:29" (2/3) ... [2024-11-19 06:09:29,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773096e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:09:29, skipping insertion in model container [2024-11-19 06:09:29,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:09:29" (3/3) ... [2024-11-19 06:09:29,862 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2024-11-19 06:09:29,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:09:29,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 06:09:29,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:09:29,920 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;@455088cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:09:29,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 06:09:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 100 states have (on average 1.7) internal successors, (170), 121 states have internal predecessors, (170), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-19 06:09:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 06:09:29,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:09:29,931 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:09:29,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:09:29,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:09:29,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1891008900, now seen corresponding path program 1 times [2024-11-19 06:09:29,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:09:29,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352531831] [2024-11-19 06:09:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:09:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 06:09:30,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:09:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352531831] [2024-11-19 06:09:30,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352531831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:09:30,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077013342] [2024-11-19 06:09:30,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:30,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:30,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:09:30,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 06:09:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:30,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 06:09:30,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:09:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 06:09:30,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:09:30,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077013342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:09:30,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 06:09:30,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 06:09:30,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455974885] [2024-11-19 06:09:30,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:09:30,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 06:09:30,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:09:30,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 06:09:30,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:09:30,381 INFO L87 Difference]: Start difference. First operand has 133 states, 100 states have (on average 1.7) internal successors, (170), 121 states have internal predecessors, (170), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 06:09:30,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:09:30,433 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2024-11-19 06:09:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 06:09:30,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-19 06:09:30,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:09:30,452 INFO L225 Difference]: With dead ends: 130 [2024-11-19 06:09:30,452 INFO L226 Difference]: Without dead ends: 128 [2024-11-19 06:09:30,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:09:30,457 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:09:30,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:09:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-19 06:09:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-19 06:09:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 97 states have (on average 1.2783505154639174) internal successors, (124), 116 states have internal predecessors, (124), 24 states have call successors, (24), 6 states have call predecessors, (24), 5 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 06:09:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 158 transitions. [2024-11-19 06:09:30,517 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 158 transitions. Word has length 39 [2024-11-19 06:09:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:09:30,517 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 158 transitions. [2024-11-19 06:09:30,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 06:09:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 158 transitions. [2024-11-19 06:09:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 06:09:30,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:09:30,524 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:09:30,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 06:09:30,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 06:09:30,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:09:30,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:09:30,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1914072036, now seen corresponding path program 1 times [2024-11-19 06:09:30,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:09:30,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525209546] [2024-11-19 06:09:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:30,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:09:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:09:31,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:09:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525209546] [2024-11-19 06:09:31,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525209546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:09:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502079744] [2024-11-19 06:09:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:31,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:31,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:31,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:09:31,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 06:09:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:31,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 06:09:31,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:09:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 06:09:31,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:09:31,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502079744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:09:31,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 06:09:31,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 06:09:31,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054372720] [2024-11-19 06:09:31,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:09:31,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:09:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:09:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:09:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 06:09:31,764 INFO L87 Difference]: Start difference. First operand 128 states and 158 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 06:09:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:09:31,851 INFO L93 Difference]: Finished difference Result 141 states and 176 transitions. [2024-11-19 06:09:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:09:31,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2024-11-19 06:09:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:09:31,853 INFO L225 Difference]: With dead ends: 141 [2024-11-19 06:09:31,853 INFO L226 Difference]: Without dead ends: 141 [2024-11-19 06:09:31,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 06:09:31,854 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 14 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:09:31,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 590 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:09:31,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-19 06:09:31,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-19 06:09:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 124 states have internal predecessors, (133), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 06:09:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 173 transitions. [2024-11-19 06:09:31,872 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 173 transitions. Word has length 40 [2024-11-19 06:09:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:09:31,873 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 173 transitions. [2024-11-19 06:09:31,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 06:09:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2024-11-19 06:09:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 06:09:31,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:09:31,878 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:09:31,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 06:09:32,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 06:09:32,079 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:09:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:09:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1051788348, now seen corresponding path program 1 times [2024-11-19 06:09:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:09:32,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913115182] [2024-11-19 06:09:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:09:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-19 06:09:33,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:09:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913115182] [2024-11-19 06:09:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913115182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:09:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340169230] [2024-11-19 06:09:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:33,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:33,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:09:33,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 06:09:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:33,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-19 06:09:33,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:09:33,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 06:09:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-19 06:09:33,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:09:34,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-11-19 06:09:34,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-11-19 06:09:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-19 06:09:34,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340169230] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:09:34,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:09:34,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 16] total 27 [2024-11-19 06:09:34,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711069887] [2024-11-19 06:09:34,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:09:34,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 06:09:34,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:09:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 06:09:34,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-11-19 06:09:34,241 INFO L87 Difference]: Start difference. First operand 141 states and 173 transitions. Second operand has 27 states, 25 states have (on average 3.16) internal successors, (79), 22 states have internal predecessors, (79), 9 states have call successors, (17), 6 states have call predecessors, (17), 7 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-19 06:09:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:09:35,539 INFO L93 Difference]: Finished difference Result 174 states and 208 transitions. [2024-11-19 06:09:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-19 06:09:35,540 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.16) internal successors, (79), 22 states have internal predecessors, (79), 9 states have call successors, (17), 6 states have call predecessors, (17), 7 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 112 [2024-11-19 06:09:35,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:09:35,541 INFO L225 Difference]: With dead ends: 174 [2024-11-19 06:09:35,541 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 06:09:35,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=381, Invalid=2589, Unknown=0, NotChecked=0, Total=2970 [2024-11-19 06:09:35,543 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 201 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 06:09:35,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1474 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 06:09:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 06:09:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-19 06:09:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 143 states have internal predecessors, (152), 29 states have call successors, (29), 11 states have call predecessors, (29), 10 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-19 06:09:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 198 transitions. [2024-11-19 06:09:35,552 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 198 transitions. Word has length 112 [2024-11-19 06:09:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:09:35,552 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 198 transitions. [2024-11-19 06:09:35,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.16) internal successors, (79), 22 states have internal predecessors, (79), 9 states have call successors, (17), 6 states have call predecessors, (17), 7 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-19 06:09:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 198 transitions. [2024-11-19 06:09:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 06:09:35,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:09:35,553 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:09:35,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 06:09:35,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:35,754 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:09:35,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:09:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1587557626, now seen corresponding path program 1 times [2024-11-19 06:09:35,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:09:35,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111736580] [2024-11-19 06:09:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:09:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-19 06:09:36,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:09:36,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111736580] [2024-11-19 06:09:36,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111736580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:09:36,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312030157] [2024-11-19 06:09:36,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:36,367 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:09:36,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 06:09:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:36,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-19 06:09:36,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:09:36,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 06:09:36,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-19 06:09:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-19 06:09:36,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:09:36,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-11-19 06:09:36,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-11-19 06:09:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-19 06:09:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312030157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:09:37,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:09:37,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 15 [2024-11-19 06:09:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38594959] [2024-11-19 06:09:37,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:09:37,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 06:09:37,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:09:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 06:09:37,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-19 06:09:37,082 INFO L87 Difference]: Start difference. First operand 165 states and 198 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 06:09:37,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:09:37,375 INFO L93 Difference]: Finished difference Result 222 states and 267 transitions. [2024-11-19 06:09:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 06:09:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) Word has length 112 [2024-11-19 06:09:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:09:37,377 INFO L225 Difference]: With dead ends: 222 [2024-11-19 06:09:37,377 INFO L226 Difference]: Without dead ends: 222 [2024-11-19 06:09:37,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-19 06:09:37,381 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 77 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:09:37,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2037 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 06:09:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-19 06:09:37,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 189. [2024-11-19 06:09:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 147 states have (on average 1.2312925170068028) internal successors, (181), 165 states have internal predecessors, (181), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-19 06:09:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 227 transitions. [2024-11-19 06:09:37,391 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 227 transitions. Word has length 112 [2024-11-19 06:09:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:09:37,391 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 227 transitions. [2024-11-19 06:09:37,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 06:09:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 227 transitions. [2024-11-19 06:09:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 06:09:37,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:09:37,393 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:09:37,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 06:09:37,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:37,594 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:09:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:09:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1581215540, now seen corresponding path program 1 times [2024-11-19 06:09:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:09:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108463162] [2024-11-19 06:09:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:09:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 82 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 06:09:44,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:09:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108463162] [2024-11-19 06:09:44,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108463162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:09:44,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751865121] [2024-11-19 06:09:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:09:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:09:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:09:44,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:09:44,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 06:09:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:09:44,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-11-19 06:09:44,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:09:44,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 06:09:45,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 06:09:45,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 06:09:45,464 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-11-19 06:09:45,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 37 [2024-11-19 06:09:45,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-19 06:09:45,576 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-11-19 06:09:45,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 16 [2024-11-19 06:09:45,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-19 06:09:45,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-19 06:09:46,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 06:09:46,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-19 06:09:46,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-19 06:09:46,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2024-11-19 06:09:46,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-19 06:09:46,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2024-11-19 06:09:46,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-19 06:10:44,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-19 06:10:44,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2024-11-19 06:10:49,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 06:10:49,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 174 [2024-11-19 06:10:49,803 INFO L349 Elim1Store]: treesize reduction 137, result has 30.1 percent of original size [2024-11-19 06:10:49,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 173 treesize of output 253 [2024-11-19 06:10:50,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-19 06:10:50,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-19 06:10:51,368 INFO L349 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2024-11-19 06:10:51,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 197 treesize of output 181 [2024-11-19 06:10:51,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-19 06:10:51,623 INFO L349 Elim1Store]: treesize reduction 226, result has 12.7 percent of original size [2024-11-19 06:10:51,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 197 treesize of output 181 [2024-11-19 06:10:51,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-19 06:10:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 06:10:52,246 INFO L349 Elim1Store]: treesize reduction 246, result has 11.8 percent of original size [2024-11-19 06:10:52,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 197 treesize of output 181 [2024-11-19 06:10:52,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-19 06:10:56,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2024-11-19 06:10:56,643 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-11-19 06:10:56,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 82 [2024-11-19 06:10:56,673 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-19 06:10:56,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 06:10:56,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:10:56,874 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: unsuccessful DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:170) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-19 06:10:56,878 INFO L158 Benchmark]: Toolchain (without parser) took 88124.60ms. Allocated memory was 153.1MB in the beginning and 803.2MB in the end (delta: 650.1MB). Free memory was 78.8MB in the beginning and 444.8MB in the end (delta: -366.0MB). Peak memory consumption was 452.8MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,879 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:10:56,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.92ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 78.7MB in the beginning and 181.1MB in the end (delta: -102.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.06ms. Allocated memory is still 220.2MB. Free memory was 181.1MB in the beginning and 178.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,880 INFO L158 Benchmark]: Boogie Preprocessor took 69.49ms. Allocated memory is still 220.2MB. Free memory was 178.0MB in the beginning and 171.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,880 INFO L158 Benchmark]: RCFGBuilder took 546.02ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 139.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,880 INFO L158 Benchmark]: TraceAbstraction took 87020.01ms. Allocated memory was 220.2MB in the beginning and 803.2MB in the end (delta: 583.0MB). Free memory was 138.1MB in the beginning and 444.8MB in the end (delta: -306.7MB). Peak memory consumption was 443.2MB. Max. memory is 16.1GB. [2024-11-19 06:10:56,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.92ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 78.7MB in the beginning and 181.1MB in the end (delta: -102.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.06ms. Allocated memory is still 220.2MB. Free memory was 181.1MB in the beginning and 178.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.49ms. Allocated memory is still 220.2MB. Free memory was 178.0MB in the beginning and 171.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 546.02ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 139.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 87020.01ms. Allocated memory was 220.2MB in the beginning and 803.2MB in the end (delta: 583.0MB). Free memory was 138.1MB in the beginning and 444.8MB in the end (delta: -306.7MB). Peak memory consumption was 443.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: unsuccessful DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: unsuccessful DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:170) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-19 06:10:57,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:10:58,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:10:58,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-19 06:10:58,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:10:58,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:10:59,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:10:59,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:10:59,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:10:59,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:10:59,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:10:59,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:10:59,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:10:59,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:10:59,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:10:59,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:10:59,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:10:59,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:10:59,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:10:59,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:10:59,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:10:59,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:10:59,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:10:59,023 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:10:59,024 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:10:59,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:10:59,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:10:59,024 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:10:59,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 06:10:59,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:10:59,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 06:10:59,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:10:59,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:10:59,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:10:59,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:10:59,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:10:59,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:10:59,028 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 06:10:59,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 06:10:59,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:10:59,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:10:59,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:10:59,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:10:59,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 [2024-11-19 06:10:59,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:10:59,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:10:59,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:10:59,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:10:59,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:10:59,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2024-11-19 06:11:00,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:11:00,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:11:00,907 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2024-11-19 06:11:00,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02a76792/2d3a6729ba7845fe9d7c164b96ca05ce/FLAGac9a90051 [2024-11-19 06:11:01,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02a76792/2d3a6729ba7845fe9d7c164b96ca05ce [2024-11-19 06:11:01,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:11:01,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:11:01,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:11:01,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:11:01,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:11:01,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa9e0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01, skipping insertion in model container [2024-11-19 06:11:01,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:11:01,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:11:01,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:11:01,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:11:01,750 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:11:01,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01 WrapperNode [2024-11-19 06:11:01,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:11:01,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:11:01,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:11:01,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:11:01,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,818 INFO L138 Inliner]: procedures = 141, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 237 [2024-11-19 06:11:01,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:11:01,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:11:01,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:11:01,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:11:01,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,881 INFO L175 MemorySlicer]: Split 48 memory accesses to 3 slices as follows [6, 2, 40]. 83 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 2, 0]. The 13 writes are split as follows [2, 0, 11]. [2024-11-19 06:11:01,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:11:01,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:11:01,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:11:01,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:11:01,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:11:01" (1/1) ... [2024-11-19 06:11:01,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:11:01,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:11:01,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:11:01,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:11:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-19 06:11:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-19 06:11:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2024-11-19 06:11:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2024-11-19 06:11:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:11:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:11:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2024-11-19 06:11:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2024-11-19 06:11:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:11:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 06:11:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2024-11-19 06:11:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 06:11:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 06:11:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 06:11:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2024-11-19 06:11:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2024-11-19 06:11:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:11:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:11:02,115 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:11:02,117 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation