./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 023d838f 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/uthash-2.0.2/uthash_FNV_nondet_test2-1.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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:50:24,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:50:24,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-10 14:50:24,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:50:24,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:50:24,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:50:24,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:50:24,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:50:24,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:50:24,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:50:24,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:50:24,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:50:24,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:50:24,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:50:24,228 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:50:24,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:50:24,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:50:24,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:50:24,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:50:24,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:50:24,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:50:24,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:50:24,235 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:50:24,236 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:50:24,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:50:24,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:50:24,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:50:24,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:50:24,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:50:24,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:50:24,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:50:24,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:50:24,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:50:24,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:50:24,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:50:24,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:50:24,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:24,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:50:24,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:50:24,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:50:24,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:50:24,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:50:24,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:50:24,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:50:24,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:50:24,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-10 14:50:24,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:50:24,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:50:24,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:50:24,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:50:24,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:50:24,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:25,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:50:26,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:50:26,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:26,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d8c4bad/d2c2de1cba7f42669058691892dd7c6c/FLAG600f2d1fa [2024-11-10 14:50:26,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d8c4bad/d2c2de1cba7f42669058691892dd7c6c [2024-11-10 14:50:26,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:50:26,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:50:26,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:26,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:50:26,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:50:26,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:26" (1/1) ... [2024-11-10 14:50:26,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98246e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:26, skipping insertion in model container [2024-11-10 14:50:26,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:26" (1/1) ... [2024-11-10 14:50:26,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:50:27,043 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,083 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,087 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,100 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,142 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,145 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,146 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:27,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:27,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:50:27,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:27,302 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:50:27,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27 WrapperNode [2024-11-10 14:50:27,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:27,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:27,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:50:27,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:50:27,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,395 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1249 [2024-11-10 14:50:27,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:27,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:50:27,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:50:27,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:50:27,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,474 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-10 14:50:27,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:50:27,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:50:27,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:50:27,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:50:27,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (1/1) ... [2024-11-10 14:50:27,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:27,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:50:27,576 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) [2024-11-10 14:50:27,582 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 [2024-11-10 14:50:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 14:50:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:50:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 14:50:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:50:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:50:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 14:50:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 14:50:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 14:50:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 14:50:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:50:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:50:27,859 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:50:27,862 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:50:28,976 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 14:50:29,062 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-10 14:50:29,063 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:50:29,152 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:50:29,153 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 14:50:29,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:29 BoogieIcfgContainer [2024-11-10 14:50:29,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:50:29,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:50:29,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:50:29,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:50:29,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:50:26" (1/3) ... [2024-11-10 14:50:29,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ae3343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:29, skipping insertion in model container [2024-11-10 14:50:29,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:27" (2/3) ... [2024-11-10 14:50:29,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ae3343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:29, skipping insertion in model container [2024-11-10 14:50:29,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:29" (3/3) ... [2024-11-10 14:50:29,160 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:29,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:50:29,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:50:29,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:50:29,233 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;@3c5551d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:50:29,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:50:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 374 states, 367 states have (on average 1.6130790190735695) internal successors, (592), 369 states have internal predecessors, (592), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 14:50:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 14:50:29,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:29,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 14:50:29,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:29,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:29,257 INFO L85 PathProgramCache]: Analyzing trace with hash 658416175, now seen corresponding path program 1 times [2024-11-10 14:50:29,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:29,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73948886] [2024-11-10 14:50:29,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:29,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:29,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73948886] [2024-11-10 14:50:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73948886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:29,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:29,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:50:29,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334186273] [2024-11-10 14:50:29,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:29,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:50:29,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:29,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:50:29,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:50:29,577 INFO L87 Difference]: Start difference. First operand has 374 states, 367 states have (on average 1.6130790190735695) internal successors, (592), 369 states have internal predecessors, (592), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:50:29,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:50:29,830 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 237 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:29,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1048 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 14:50:29,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:50:29,833 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) 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) [2024-11-10 14:50:29,836 INFO L158 Benchmark]: Toolchain (without parser) took 3323.26ms. Allocated memory is still 163.6MB. Free memory was 92.8MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,837 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:50:29,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.20ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 107.7MB in the end (delta: -15.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.95ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 100.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,839 INFO L158 Benchmark]: Boogie Preprocessor took 145.49ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 87.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,841 INFO L158 Benchmark]: IcfgBuilder took 1611.31ms. Allocated memory is still 163.6MB. Free memory was 87.4MB in the beginning and 115.6MB in the end (delta: -28.2MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,841 INFO L158 Benchmark]: TraceAbstraction took 680.74ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 82.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 14:50:29,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.20ms. Allocated memory is still 163.6MB. Free memory was 92.6MB in the beginning and 107.7MB in the end (delta: -15.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.95ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 100.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.49ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 87.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * IcfgBuilder took 1611.31ms. Allocated memory is still 163.6MB. Free memory was 87.4MB in the beginning and 115.6MB in the end (delta: -28.2MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * TraceAbstraction took 680.74ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 82.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 14:50:29,877 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/uthash-2.0.2/uthash_FNV_nondet_test2-1.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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:50:32,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:50:32,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-10 14:50:32,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:50:32,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:50:32,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:50:32,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:50:32,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:50:32,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:50:32,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:50:32,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:50:32,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:50:32,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:50:32,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:50:32,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:50:32,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:50:32,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:50:32,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:50:32,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:50:32,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:50:32,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:50:32,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:50:32,251 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:50:32,251 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:50:32,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:50:32,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:50:32,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:50:32,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 14:50:32,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:50:32,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 14:50:32,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:50:32,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:50:32,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:50:32,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:50:32,253 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:50:32,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:50:32,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:50:32,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:50:32,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:32,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:50:32,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:50:32,256 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 14:50:32,257 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 14:50:32,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:50:32,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:50:32,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:50:32,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:50:32,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-10 14:50:32,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:50:32,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:50:32,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:50:32,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:50:32,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:50:32,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:34,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:50:34,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:50:34,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:34,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37861378a/ee9089fb3cb84af78e80ab5b03e143f1/FLAGea2621b39 [2024-11-10 14:50:34,700 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37861378a/ee9089fb3cb84af78e80ab5b03e143f1 [2024-11-10 14:50:34,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:50:34,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:50:34,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:34,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:50:34,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:50:34,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:34" (1/1) ... [2024-11-10 14:50:34,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148249e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:34, skipping insertion in model container [2024-11-10 14:50:34,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:34" (1/1) ... [2024-11-10 14:50:34,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:50:35,200 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,257 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,261 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,268 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,277 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,318 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,319 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,321 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,322 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:35,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:35,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:50:35,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:35,524 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:50:35,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35 WrapperNode [2024-11-10 14:50:35,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:35,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:35,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:50:35,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:50:35,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,634 INFO L138 Inliner]: procedures = 210, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 852 [2024-11-10 14:50:35,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:35,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:50:35,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:50:35,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:50:35,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,715 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-10 14:50:35,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:50:35,786 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:50:35,787 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:50:35,787 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:50:35,788 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (1/1) ... [2024-11-10 14:50:35,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:50:35,826 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) [2024-11-10 14:50:35,834 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 [2024-11-10 14:50:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-10 14:50:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-10 14:50:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-10 14:50:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 14:50:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 14:50:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 14:50:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 14:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 14:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:50:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 14:50:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:50:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:50:36,110 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:50:36,113 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:50:38,601 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 14:50:38,682 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-10 14:50:38,682 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:50:38,703 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:50:38,704 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:50:38,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:38 BoogieIcfgContainer [2024-11-10 14:50:38,704 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:50:38,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:50:38,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:50:38,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:50:38,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:50:34" (1/3) ... [2024-11-10 14:50:38,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4c3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:38, skipping insertion in model container [2024-11-10 14:50:38,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:35" (2/3) ... [2024-11-10 14:50:38,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4c3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:38, skipping insertion in model container [2024-11-10 14:50:38,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:38" (3/3) ... [2024-11-10 14:50:38,714 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test2-1.i [2024-11-10 14:50:38,729 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:50:38,730 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:50:38,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:50:38,784 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;@2ea86a2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:50:38,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:50:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 168 states have (on average 1.6428571428571428) internal successors, (276), 170 states have internal predecessors, (276), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 14:50:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 14:50:38,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:38,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 14:50:38,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:38,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:38,798 INFO L85 PathProgramCache]: Analyzing trace with hash 317740714, now seen corresponding path program 1 times [2024-11-10 14:50:38,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 14:50:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692083973] [2024-11-10 14:50:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:38,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 14:50:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 14:50:38,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 14:50:38,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 14:50:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:38,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:50:39,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:50:39,094 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_18| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_18|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_18| (_ bv0 1)) |c_#valid|))) is different from true [2024-11-10 14:50:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:39,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:50:39,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 14:50:39,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692083973] [2024-11-10 14:50:39,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692083973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:39,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:39,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:50:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353916676] [2024-11-10 14:50:39,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:39,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:50:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 14:50:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:50:39,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-10 14:50:39,164 INFO L87 Difference]: Start difference. First operand has 175 states, 168 states have (on average 1.6428571428571428) internal successors, (276), 170 states have internal predecessors, (276), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:40,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 14:50:40,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:50:40,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-10 14:50:40,703 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 86 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 176 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:40,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 240 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 176 Unchecked, 1.5s Time] [2024-11-10 14:50:40,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 14:50:40,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 14:50:40,908 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) 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) [2024-11-10 14:50:40,912 INFO L158 Benchmark]: Toolchain (without parser) took 6208.00ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 44.0MB in the beginning and 63.7MB in the end (delta: -19.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,913 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 41.9MB. Free memory was 22.4MB in the beginning and 22.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:50:40,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.63ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 57.4MB in the end (delta: -13.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.49ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 51.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,915 INFO L158 Benchmark]: Boogie Preprocessor took 149.74ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 39.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,915 INFO L158 Benchmark]: IcfgBuilder took 2917.88ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 48.2MB in the end (delta: -8.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,916 INFO L158 Benchmark]: TraceAbstraction took 2205.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 63.7MB in the end (delta: -16.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-10 14:50:40,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 41.9MB. Free memory was 22.4MB in the beginning and 22.4MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.63ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 57.4MB in the end (delta: -13.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.49ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 51.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.74ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 39.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * IcfgBuilder took 2917.88ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 48.2MB in the end (delta: -8.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2205.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 63.7MB in the end (delta: -16.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 14:50:40,954 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null