./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:03:25,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:03:25,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 06:03:25,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:03:25,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:03:25,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:03:25,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:03:25,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:03:25,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:03:25,378 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:03:25,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:03:25,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:03:25,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:03:25,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:03:25,384 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:03:25,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:03:25,384 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-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 [2025-02-08 06:03:25,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:03:25,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:03:25,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:03:25,667 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:03:25,667 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:03:25,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2025-02-08 06:03:26,925 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f18418929/f9fe5522ae6a4f0fbf9229a39ff0bc40/FLAG0d151c823 [2025-02-08 06:03:27,289 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:03:27,290 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-1.i [2025-02-08 06:03:27,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f18418929/f9fe5522ae6a4f0fbf9229a39ff0bc40/FLAG0d151c823 [2025-02-08 06:03:27,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f18418929/f9fe5522ae6a4f0fbf9229a39ff0bc40 [2025-02-08 06:03:27,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:03:27,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:03:27,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:27,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:03:27,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:03:27,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47818d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27, skipping insertion in model container [2025-02-08 06:03:27,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:03:27,687 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,716 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,721 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,724 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,729 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,751 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,752 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,753 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,754 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:03:27,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:27,771 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:03:27,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:03:27,887 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:03:27,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27 WrapperNode [2025-02-08 06:03:27,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:03:27,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:03:27,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:03:27,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:03:27,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,971 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1241 [2025-02-08 06:03:27,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:03:27,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:03:27,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:03:27,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:03:27,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:27,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,040 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]. [2025-02-08 06:03:28,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:03:28,092 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:03:28,092 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:03:28,092 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:03:28,093 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (1/1) ... [2025-02-08 06:03:28,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:03:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:28,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 06:03:28,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 06:03:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 06:03:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 06:03:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 06:03:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 06:03:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 06:03:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 06:03:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:03:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:03:28,339 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:03:28,341 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:03:29,547 INFO L1324 $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; [2025-02-08 06:03:29,624 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2025-02-08 06:03:29,624 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:03:29,672 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:03:29,672 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 06:03:29,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:03:29 BoogieIcfgContainer [2025-02-08 06:03:29,672 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:03:29,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:03:29,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:03:29,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:03:29,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:03:27" (1/3) ... [2025-02-08 06:03:29,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c7ca22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:03:29, skipping insertion in model container [2025-02-08 06:03:29,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:03:27" (2/3) ... [2025-02-08 06:03:29,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c7ca22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:03:29, skipping insertion in model container [2025-02-08 06:03:29,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:03:29" (3/3) ... [2025-02-08 06:03:29,684 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test2-1.i [2025-02-08 06:03:29,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:03:29,696 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test2-1.i that has 4 procedures, 372 locations, 1 initial locations, 33 loop locations, and 2 error locations. [2025-02-08 06:03:29,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:03:29,745 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;@75069ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:03:29,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 06:03:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 364 states, 357 states have (on average 1.619047619047619) internal successors, (578), 359 states have internal predecessors, (578), 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) [2025-02-08 06:03:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:03:29,755 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:29,756 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:03:29,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:29,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:29,760 INFO L85 PathProgramCache]: Analyzing trace with hash 661615, now seen corresponding path program 1 times [2025-02-08 06:03:29,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:29,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555505706] [2025-02-08 06:03:29,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:29,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:29,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:03:29,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:03:29,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:29,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:29,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:29,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555505706] [2025-02-08 06:03:29,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555505706] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:29,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:29,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:03:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978151916] [2025-02-08 06:03:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:29,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:29,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:30,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:30,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:30,004 INFO L87 Difference]: Start difference. First operand has 364 states, 357 states have (on average 1.619047619047619) internal successors, (578), 359 states have internal predecessors, (578), 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 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:30,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:30,308 INFO L93 Difference]: Finished difference Result 526 states and 767 transitions. [2025-02-08 06:03:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:30,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2025-02-08 06:03:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:30,321 INFO L225 Difference]: With dead ends: 526 [2025-02-08 06:03:30,321 INFO L226 Difference]: Without dead ends: 522 [2025-02-08 06:03:30,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:30,329 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 238 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:30,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1414 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:03:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-02-08 06:03:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 519. [2025-02-08 06:03:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.4678362573099415) internal successors, (753), 514 states have internal predecessors, (753), 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) [2025-02-08 06:03:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 759 transitions. [2025-02-08 06:03:30,405 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 759 transitions. Word has length 3 [2025-02-08 06:03:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:30,405 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 759 transitions. [2025-02-08 06:03:30,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 759 transitions. [2025-02-08 06:03:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 06:03:30,412 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:30,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:30,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 06:03:30,412 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:30,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:30,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1540687687, now seen corresponding path program 1 times [2025-02-08 06:03:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:30,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263912108] [2025-02-08 06:03:30,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:30,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:30,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 06:03:30,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 06:03:30,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:30,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:30,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:30,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263912108] [2025-02-08 06:03:30,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263912108] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:30,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:30,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:03:30,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628853754] [2025-02-08 06:03:30,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:30,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:30,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:30,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:30,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:03:30,667 INFO L87 Difference]: Start difference. First operand 519 states and 759 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:30,822 INFO L93 Difference]: Finished difference Result 525 states and 751 transitions. [2025-02-08 06:03:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) Word has length 65 [2025-02-08 06:03:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:30,826 INFO L225 Difference]: With dead ends: 525 [2025-02-08 06:03:30,826 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 06:03:30,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:30,827 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 105 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:30,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1284 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:03:30,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 06:03:30,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 519. [2025-02-08 06:03:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.4405458089668617) internal successors, (739), 514 states have internal predecessors, (739), 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) [2025-02-08 06:03:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 745 transitions. [2025-02-08 06:03:30,846 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 745 transitions. Word has length 65 [2025-02-08 06:03:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:30,846 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 745 transitions. [2025-02-08 06:03:30,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 745 transitions. [2025-02-08 06:03:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 06:03:30,849 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:30,849 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:30,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 06:03:30,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:30,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1392940128, now seen corresponding path program 1 times [2025-02-08 06:03:30,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:30,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367705102] [2025-02-08 06:03:30,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:30,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 06:03:30,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 06:03:30,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:30,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:31,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:31,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367705102] [2025-02-08 06:03:31,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367705102] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:31,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:31,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:03:31,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693002447] [2025-02-08 06:03:31,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:31,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:31,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:31,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:31,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:31,431 INFO L87 Difference]: Start difference. First operand 519 states and 745 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:31,777 INFO L93 Difference]: Finished difference Result 716 states and 1028 transitions. [2025-02-08 06:03:31,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:03:31,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) Word has length 65 [2025-02-08 06:03:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:31,782 INFO L225 Difference]: With dead ends: 716 [2025-02-08 06:03:31,782 INFO L226 Difference]: Without dead ends: 713 [2025-02-08 06:03:31,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:31,785 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 500 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:31,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 2288 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:03:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-02-08 06:03:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 363. [2025-02-08 06:03:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 357 states have (on average 1.4369747899159664) internal successors, (513), 358 states have internal predecessors, (513), 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) [2025-02-08 06:03:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 519 transitions. [2025-02-08 06:03:31,807 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 519 transitions. Word has length 65 [2025-02-08 06:03:31,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:31,807 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 519 transitions. [2025-02-08 06:03:31,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 519 transitions. [2025-02-08 06:03:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:03:31,812 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:31,813 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:31,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 06:03:31,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:31,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1317434251, now seen corresponding path program 1 times [2025-02-08 06:03:31,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:31,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523940053] [2025-02-08 06:03:31,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:31,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:31,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:03:31,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:03:31,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:31,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:32,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:32,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523940053] [2025-02-08 06:03:32,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523940053] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:32,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:32,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 06:03:32,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047000785] [2025-02-08 06:03:32,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:32,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:03:32,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:32,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:03:32,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:32,027 INFO L87 Difference]: Start difference. First operand 363 states and 519 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:32,148 INFO L93 Difference]: Finished difference Result 366 states and 515 transitions. [2025-02-08 06:03:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) Word has length 84 [2025-02-08 06:03:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:32,150 INFO L225 Difference]: With dead ends: 366 [2025-02-08 06:03:32,150 INFO L226 Difference]: Without dead ends: 366 [2025-02-08 06:03:32,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:32,151 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 108 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:32,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1263 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:03:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-02-08 06:03:32,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 363. [2025-02-08 06:03:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 357 states have (on average 1.4173669467787116) internal successors, (506), 358 states have internal predecessors, (506), 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) [2025-02-08 06:03:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 512 transitions. [2025-02-08 06:03:32,157 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 512 transitions. Word has length 84 [2025-02-08 06:03:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:32,158 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 512 transitions. [2025-02-08 06:03:32,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 512 transitions. [2025-02-08 06:03:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:03:32,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:32,159 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:32,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 06:03:32,160 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:32,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash 586055941, now seen corresponding path program 1 times [2025-02-08 06:03:32,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291073425] [2025-02-08 06:03:32,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:32,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:32,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:03:32,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:03:32,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:32,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:03:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:32,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291073425] [2025-02-08 06:03:32,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291073425] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:32,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:32,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:03:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310151856] [2025-02-08 06:03:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:32,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:03:32,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:32,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:03:32,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:03:32,295 INFO L87 Difference]: Start difference. First operand 363 states and 512 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:32,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:32,434 INFO L93 Difference]: Finished difference Result 631 states and 898 transitions. [2025-02-08 06:03:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:03:32,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 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) Word has length 84 [2025-02-08 06:03:32,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:32,439 INFO L225 Difference]: With dead ends: 631 [2025-02-08 06:03:32,440 INFO L226 Difference]: Without dead ends: 631 [2025-02-08 06:03:32,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:03:32,440 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 332 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:32,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1093 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:03:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2025-02-08 06:03:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2025-02-08 06:03:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 619 states have (on average 1.4345718901453959) internal successors, (888), 620 states have internal predecessors, (888), 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) [2025-02-08 06:03:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 894 transitions. [2025-02-08 06:03:32,459 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 894 transitions. Word has length 84 [2025-02-08 06:03:32,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:32,460 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 894 transitions. [2025-02-08 06:03:32,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:03:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 894 transitions. [2025-02-08 06:03:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 06:03:32,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:32,461 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:32,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 06:03:32,462 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:32,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:32,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1402310795, now seen corresponding path program 1 times [2025-02-08 06:03:32,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:32,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157370930] [2025-02-08 06:03:32,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:32,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 06:03:32,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 06:03:32,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:32,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:32,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:32,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157370930] [2025-02-08 06:03:32,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157370930] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:32,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774149168] [2025-02-08 06:03:32,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:32,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:32,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:32,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:32,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 06:03:33,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 06:03:33,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 06:03:33,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:33,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:33,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 06:03:33,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:33,151 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 [2025-02-08 06:03:33,172 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 16 treesize of output 17 [2025-02-08 06:03:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:34,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:34,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774149168] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:34,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:34,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-08 06:03:34,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218122125] [2025-02-08 06:03:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:34,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 06:03:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:34,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 06:03:34,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 06:03:34,028 INFO L87 Difference]: Start difference. First operand 625 states and 894 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:35,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:35,780 INFO L93 Difference]: Finished difference Result 899 states and 1271 transitions. [2025-02-08 06:03:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 06:03:35,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2025-02-08 06:03:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:35,784 INFO L225 Difference]: With dead ends: 899 [2025-02-08 06:03:35,785 INFO L226 Difference]: Without dead ends: 899 [2025-02-08 06:03:35,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 06:03:35,787 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 765 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2778 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:35,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 2778 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 06:03:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2025-02-08 06:03:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 650. [2025-02-08 06:03:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 644 states have (on average 1.4254658385093169) internal successors, (918), 645 states have internal predecessors, (918), 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) [2025-02-08 06:03:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 924 transitions. [2025-02-08 06:03:35,813 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 924 transitions. Word has length 99 [2025-02-08 06:03:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:35,813 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 924 transitions. [2025-02-08 06:03:35,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 924 transitions. [2025-02-08 06:03:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 06:03:35,815 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:35,815 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:35,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 06:03:36,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:36,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:36,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:36,018 INFO L85 PathProgramCache]: Analyzing trace with hash -103711961, now seen corresponding path program 1 times [2025-02-08 06:03:36,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:36,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103552506] [2025-02-08 06:03:36,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:36,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 06:03:36,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 06:03:36,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:36,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:36,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:36,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103552506] [2025-02-08 06:03:36,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103552506] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:36,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769314691] [2025-02-08 06:03:36,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:36,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:36,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:36,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 06:03:36,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 06:03:36,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 06:03:36,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:36,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:36,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 06:03:36,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:36,627 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 [2025-02-08 06:03:36,638 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 [2025-02-08 06:03:36,817 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 [2025-02-08 06:03:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:36,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 06:03:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:37,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769314691] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:37,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 06:03:37,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 7] total 11 [2025-02-08 06:03:37,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919624747] [2025-02-08 06:03:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:37,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:03:37,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:37,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:03:37,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-02-08 06:03:37,065 INFO L87 Difference]: Start difference. First operand 650 states and 924 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:37,277 INFO L93 Difference]: Finished difference Result 814 states and 1157 transitions. [2025-02-08 06:03:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:03:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2025-02-08 06:03:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:37,282 INFO L225 Difference]: With dead ends: 814 [2025-02-08 06:03:37,284 INFO L226 Difference]: Without dead ends: 814 [2025-02-08 06:03:37,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:03:37,285 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 862 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:37,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [863 Valid, 1361 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:03:37,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2025-02-08 06:03:37,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 652. [2025-02-08 06:03:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 646 states have (on average 1.4241486068111455) internal successors, (920), 647 states have internal predecessors, (920), 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) [2025-02-08 06:03:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 926 transitions. [2025-02-08 06:03:37,304 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 926 transitions. Word has length 100 [2025-02-08 06:03:37,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:37,305 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 926 transitions. [2025-02-08 06:03:37,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 926 transitions. [2025-02-08 06:03:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 06:03:37,308 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:37,308 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:37,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 06:03:37,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:37,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:37,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:37,513 INFO L85 PathProgramCache]: Analyzing trace with hash 337983586, now seen corresponding path program 1 times [2025-02-08 06:03:37,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:37,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718685232] [2025-02-08 06:03:37,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:37,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 06:03:37,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 06:03:37,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:37,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:37,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:37,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718685232] [2025-02-08 06:03:37,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718685232] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:37,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:37,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 06:03:37,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769638502] [2025-02-08 06:03:37,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:37,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:03:37,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:37,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:03:37,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:37,751 INFO L87 Difference]: Start difference. First operand 652 states and 926 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:38,200 INFO L93 Difference]: Finished difference Result 736 states and 1033 transitions. [2025-02-08 06:03:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:03:38,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 156 [2025-02-08 06:03:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:38,204 INFO L225 Difference]: With dead ends: 736 [2025-02-08 06:03:38,204 INFO L226 Difference]: Without dead ends: 736 [2025-02-08 06:03:38,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:38,205 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 1152 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:38,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 1375 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:03:38,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-02-08 06:03:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 518. [2025-02-08 06:03:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 512 states have (on average 1.412109375) internal successors, (723), 513 states have internal predecessors, (723), 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) [2025-02-08 06:03:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 729 transitions. [2025-02-08 06:03:38,221 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 729 transitions. Word has length 156 [2025-02-08 06:03:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:38,221 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 729 transitions. [2025-02-08 06:03:38,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 729 transitions. [2025-02-08 06:03:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 06:03:38,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:38,224 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:38,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 06:03:38,224 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:38,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:38,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1071288532, now seen corresponding path program 1 times [2025-02-08 06:03:38,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:38,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80486957] [2025-02-08 06:03:38,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:38,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 06:03:38,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 06:03:38,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:38,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:38,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80486957] [2025-02-08 06:03:38,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80486957] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727327549] [2025-02-08 06:03:38,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:38,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:38,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:38,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 06:03:38,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 06:03:39,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 06:03:39,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:39,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:39,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 06:03:39,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:39,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:39,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727327549] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:39,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:39,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 06:03:39,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472312674] [2025-02-08 06:03:39,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:39,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:39,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:39,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:39,145 INFO L87 Difference]: Start difference. First operand 518 states and 729 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:39,381 INFO L93 Difference]: Finished difference Result 561 states and 786 transitions. [2025-02-08 06:03:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:39,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2025-02-08 06:03:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:39,384 INFO L225 Difference]: With dead ends: 561 [2025-02-08 06:03:39,384 INFO L226 Difference]: Without dead ends: 561 [2025-02-08 06:03:39,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:39,386 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 17 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:39,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1214 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:03:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2025-02-08 06:03:39,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 545. [2025-02-08 06:03:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 539 states have (on average 1.4025974025974026) internal successors, (756), 540 states have internal predecessors, (756), 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) [2025-02-08 06:03:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 762 transitions. [2025-02-08 06:03:39,398 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 762 transitions. Word has length 166 [2025-02-08 06:03:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:39,398 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 762 transitions. [2025-02-08 06:03:39,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 762 transitions. [2025-02-08 06:03:39,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-02-08 06:03:39,400 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:39,400 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:39,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:39,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:39,601 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:39,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -833186497, now seen corresponding path program 1 times [2025-02-08 06:03:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474911140] [2025-02-08 06:03:39,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:39,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:39,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-08 06:03:39,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-08 06:03:39,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:39,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:39,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:39,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474911140] [2025-02-08 06:03:39,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474911140] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:39,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:39,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 06:03:39,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649005451] [2025-02-08 06:03:39,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:39,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:03:39,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:39,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:03:39,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:39,980 INFO L87 Difference]: Start difference. First operand 545 states and 762 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:40,447 INFO L93 Difference]: Finished difference Result 557 states and 776 transitions. [2025-02-08 06:03:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:03:40,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 167 [2025-02-08 06:03:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:40,450 INFO L225 Difference]: With dead ends: 557 [2025-02-08 06:03:40,450 INFO L226 Difference]: Without dead ends: 557 [2025-02-08 06:03:40,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:40,450 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 8 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:40,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1510 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:03:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-08 06:03:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 553. [2025-02-08 06:03:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 547 states have (on average 1.40036563071298) internal successors, (766), 548 states have internal predecessors, (766), 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) [2025-02-08 06:03:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 772 transitions. [2025-02-08 06:03:40,465 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 772 transitions. Word has length 167 [2025-02-08 06:03:40,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:40,465 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 772 transitions. [2025-02-08 06:03:40,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 772 transitions. [2025-02-08 06:03:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 06:03:40,468 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:40,468 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:40,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 06:03:40,468 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:40,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:40,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1673234416, now seen corresponding path program 1 times [2025-02-08 06:03:40,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:40,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484371606] [2025-02-08 06:03:40,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:40,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:40,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:03:40,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:03:40,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:40,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:40,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:40,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484371606] [2025-02-08 06:03:40,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484371606] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:40,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:40,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:03:40,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8883166] [2025-02-08 06:03:40,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:40,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:40,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:40,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:40,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:40,769 INFO L87 Difference]: Start difference. First operand 553 states and 772 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:41,320 INFO L93 Difference]: Finished difference Result 575 states and 802 transitions. [2025-02-08 06:03:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2025-02-08 06:03:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:41,323 INFO L225 Difference]: With dead ends: 575 [2025-02-08 06:03:41,323 INFO L226 Difference]: Without dead ends: 575 [2025-02-08 06:03:41,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:41,323 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 12 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:41,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2159 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:41,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-02-08 06:03:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 569. [2025-02-08 06:03:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 563 states have (on average 1.3996447602131439) internal successors, (788), 564 states have internal predecessors, (788), 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) [2025-02-08 06:03:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 794 transitions. [2025-02-08 06:03:41,338 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 794 transitions. Word has length 168 [2025-02-08 06:03:41,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:41,338 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 794 transitions. [2025-02-08 06:03:41,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 794 transitions. [2025-02-08 06:03:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 06:03:41,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:41,341 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:41,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 06:03:41,341 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:41,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:41,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1995430609, now seen corresponding path program 1 times [2025-02-08 06:03:41,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:41,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170185682] [2025-02-08 06:03:41,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:41,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:03:41,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:03:41,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:41,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:41,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:41,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170185682] [2025-02-08 06:03:41,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170185682] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:41,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660746000] [2025-02-08 06:03:41,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:41,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:41,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 06:03:41,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:03:42,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:03:42,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:42,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:42,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 06:03:42,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:42,146 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 [2025-02-08 06:03:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:03:42,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:42,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660746000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:42,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:42,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2025-02-08 06:03:42,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846766845] [2025-02-08 06:03:42,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:42,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:03:42,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:42,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:03:42,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:03:42,614 INFO L87 Difference]: Start difference. First operand 569 states and 794 transitions. Second operand has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:43,519 INFO L93 Difference]: Finished difference Result 825 states and 1148 transitions. [2025-02-08 06:03:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:03:43,520 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2025-02-08 06:03:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:43,522 INFO L225 Difference]: With dead ends: 825 [2025-02-08 06:03:43,522 INFO L226 Difference]: Without dead ends: 825 [2025-02-08 06:03:43,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2025-02-08 06:03:43,523 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 548 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:43,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 2117 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 06:03:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2025-02-08 06:03:43,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 597. [2025-02-08 06:03:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 591 states have (on average 1.38917089678511) internal successors, (821), 592 states have internal predecessors, (821), 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) [2025-02-08 06:03:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 827 transitions. [2025-02-08 06:03:43,534 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 827 transitions. Word has length 168 [2025-02-08 06:03:43,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:43,534 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 827 transitions. [2025-02-08 06:03:43,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 827 transitions. [2025-02-08 06:03:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 06:03:43,536 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:43,536 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:43,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:43,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 06:03:43,737 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:43,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash 448814689, now seen corresponding path program 1 times [2025-02-08 06:03:43,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:43,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58277120] [2025-02-08 06:03:43,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:43,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:43,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 06:03:43,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 06:03:43,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:43,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:44,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:44,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58277120] [2025-02-08 06:03:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58277120] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:44,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633003413] [2025-02-08 06:03:44,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:44,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:44,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 06:03:44,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 06:03:44,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 06:03:44,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:44,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:44,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 06:03:44,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:03:44,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:44,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633003413] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:44,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:44,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2025-02-08 06:03:44,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845431317] [2025-02-08 06:03:44,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:44,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:03:44,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:44,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:03:44,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:03:44,435 INFO L87 Difference]: Start difference. First operand 597 states and 827 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:44,841 INFO L93 Difference]: Finished difference Result 637 states and 879 transitions. [2025-02-08 06:03:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:03:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 169 [2025-02-08 06:03:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:44,844 INFO L225 Difference]: With dead ends: 637 [2025-02-08 06:03:44,844 INFO L226 Difference]: Without dead ends: 637 [2025-02-08 06:03:44,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:03:44,844 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 34 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:44,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1928 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:03:44,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-02-08 06:03:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 623. [2025-02-08 06:03:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 617 states have (on average 1.3824959481361425) internal successors, (853), 618 states have internal predecessors, (853), 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) [2025-02-08 06:03:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 859 transitions. [2025-02-08 06:03:44,856 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 859 transitions. Word has length 169 [2025-02-08 06:03:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:44,857 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 859 transitions. [2025-02-08 06:03:44,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 859 transitions. [2025-02-08 06:03:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-08 06:03:44,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:44,860 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:44,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 06:03:45,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 06:03:45,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:45,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:45,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1859521940, now seen corresponding path program 1 times [2025-02-08 06:03:45,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:45,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217266773] [2025-02-08 06:03:45,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:45,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 06:03:45,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 06:03:45,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:45,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:03:45,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:45,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217266773] [2025-02-08 06:03:45,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217266773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:45,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:45,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 06:03:45,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641005053] [2025-02-08 06:03:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:45,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:03:45,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:45,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:03:45,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:45,309 INFO L87 Difference]: Start difference. First operand 623 states and 859 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:45,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:45,768 INFO L93 Difference]: Finished difference Result 629 states and 866 transitions. [2025-02-08 06:03:45,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:03:45,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 170 [2025-02-08 06:03:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:45,773 INFO L225 Difference]: With dead ends: 629 [2025-02-08 06:03:45,773 INFO L226 Difference]: Without dead ends: 629 [2025-02-08 06:03:45,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:03:45,774 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 8 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:45,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1823 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:03:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2025-02-08 06:03:45,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 627. [2025-02-08 06:03:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 621 states have (on average 1.3816425120772946) internal successors, (858), 622 states have internal predecessors, (858), 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) [2025-02-08 06:03:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 864 transitions. [2025-02-08 06:03:45,785 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 864 transitions. Word has length 170 [2025-02-08 06:03:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:45,785 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 864 transitions. [2025-02-08 06:03:45,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 864 transitions. [2025-02-08 06:03:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 06:03:45,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:45,787 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:45,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 06:03:45,787 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:45,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1149157509, now seen corresponding path program 1 times [2025-02-08 06:03:45,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:45,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171211835] [2025-02-08 06:03:45,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:45,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:03:45,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:03:45,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:45,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:03:46,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:46,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171211835] [2025-02-08 06:03:46,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171211835] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:46,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:46,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:03:46,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137585762] [2025-02-08 06:03:46,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:46,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:46,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:46,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:46,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:46,033 INFO L87 Difference]: Start difference. First operand 627 states and 864 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:46,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:46,523 INFO L93 Difference]: Finished difference Result 638 states and 879 transitions. [2025-02-08 06:03:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:46,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-02-08 06:03:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:46,525 INFO L225 Difference]: With dead ends: 638 [2025-02-08 06:03:46,525 INFO L226 Difference]: Without dead ends: 638 [2025-02-08 06:03:46,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:03:46,526 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 12 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:46,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2159 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:46,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2025-02-08 06:03:46,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 635. [2025-02-08 06:03:46,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 629 states have (on average 1.381558028616852) internal successors, (869), 630 states have internal predecessors, (869), 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) [2025-02-08 06:03:46,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 875 transitions. [2025-02-08 06:03:46,536 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 875 transitions. Word has length 171 [2025-02-08 06:03:46,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:46,536 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 875 transitions. [2025-02-08 06:03:46,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 875 transitions. [2025-02-08 06:03:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 06:03:46,538 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:46,538 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:46,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 06:03:46,538 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:46,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:46,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1851828364, now seen corresponding path program 1 times [2025-02-08 06:03:46,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:46,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812190312] [2025-02-08 06:03:46,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:46,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:46,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:03:46,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:03:46,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:46,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:46,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:46,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812190312] [2025-02-08 06:03:46,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812190312] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:46,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847110426] [2025-02-08 06:03:46,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:46,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:46,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:46,780 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:46,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 06:03:47,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:03:47,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:03:47,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:47,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:47,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 06:03:47,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:47,393 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:47,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847110426] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:47,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:47,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:03:47,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685047997] [2025-02-08 06:03:47,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:47,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:47,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:47,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:47,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:47,395 INFO L87 Difference]: Start difference. First operand 635 states and 875 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:48,046 INFO L93 Difference]: Finished difference Result 649 states and 893 transitions. [2025-02-08 06:03:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-02-08 06:03:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:48,049 INFO L225 Difference]: With dead ends: 649 [2025-02-08 06:03:48,049 INFO L226 Difference]: Without dead ends: 649 [2025-02-08 06:03:48,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:48,049 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 12 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:48,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2165 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 06:03:48,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2025-02-08 06:03:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 635. [2025-02-08 06:03:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 629 states have (on average 1.381558028616852) internal successors, (869), 630 states have internal predecessors, (869), 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) [2025-02-08 06:03:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 875 transitions. [2025-02-08 06:03:48,061 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 875 transitions. Word has length 171 [2025-02-08 06:03:48,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:48,062 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 875 transitions. [2025-02-08 06:03:48,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 875 transitions. [2025-02-08 06:03:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 06:03:48,064 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:48,064 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:48,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 06:03:48,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 06:03:48,265 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:48,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash -34940883, now seen corresponding path program 1 times [2025-02-08 06:03:48,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:48,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760055388] [2025-02-08 06:03:48,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:48,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:48,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:03:48,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:03:48,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:48,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:48,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:48,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760055388] [2025-02-08 06:03:48,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760055388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:48,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:48,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 06:03:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947375238] [2025-02-08 06:03:48,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:48,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 06:03:48,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:48,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 06:03:48,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:48,556 INFO L87 Difference]: Start difference. First operand 635 states and 875 transitions. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:49,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:49,110 INFO L93 Difference]: Finished difference Result 661 states and 907 transitions. [2025-02-08 06:03:49,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 06:03:49,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 172 [2025-02-08 06:03:49,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:49,112 INFO L225 Difference]: With dead ends: 661 [2025-02-08 06:03:49,113 INFO L226 Difference]: Without dead ends: 661 [2025-02-08 06:03:49,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:49,113 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 20 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:49,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2952 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2025-02-08 06:03:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 649. [2025-02-08 06:03:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 643 states have (on average 1.3794712286158632) internal successors, (887), 644 states have internal predecessors, (887), 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) [2025-02-08 06:03:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 893 transitions. [2025-02-08 06:03:49,123 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 893 transitions. Word has length 172 [2025-02-08 06:03:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:49,123 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 893 transitions. [2025-02-08 06:03:49,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 893 transitions. [2025-02-08 06:03:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 06:03:49,125 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:49,125 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:49,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 06:03:49,125 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:49,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:49,125 INFO L85 PathProgramCache]: Analyzing trace with hash -418852210, now seen corresponding path program 1 times [2025-02-08 06:03:49,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:49,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663247448] [2025-02-08 06:03:49,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:49,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:49,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:03:49,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:03:49,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:49,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:49,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663247448] [2025-02-08 06:03:49,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663247448] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455614640] [2025-02-08 06:03:49,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:49,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:49,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 06:03:49,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:03:49,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:03:49,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:49,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:49,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 06:03:49,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:49,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:49,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455614640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:49,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:49,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:03:49,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785994158] [2025-02-08 06:03:49,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:49,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:49,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:49,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:49,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:49,761 INFO L87 Difference]: Start difference. First operand 649 states and 893 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:50,223 INFO L93 Difference]: Finished difference Result 673 states and 929 transitions. [2025-02-08 06:03:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:50,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 172 [2025-02-08 06:03:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:50,226 INFO L225 Difference]: With dead ends: 673 [2025-02-08 06:03:50,227 INFO L226 Difference]: Without dead ends: 673 [2025-02-08 06:03:50,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:50,227 INFO L435 NwaCegarLoop]: 448 mSDtfsCounter, 17 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:50,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2188 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:03:50,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2025-02-08 06:03:50,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 663. [2025-02-08 06:03:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 657 states have (on average 1.3805175038051751) internal successors, (907), 658 states have internal predecessors, (907), 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) [2025-02-08 06:03:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 913 transitions. [2025-02-08 06:03:50,235 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 913 transitions. Word has length 172 [2025-02-08 06:03:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:50,236 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 913 transitions. [2025-02-08 06:03:50,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 913 transitions. [2025-02-08 06:03:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 06:03:50,237 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:50,237 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:50,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 06:03:50,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:50,438 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:50,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:50,439 INFO L85 PathProgramCache]: Analyzing trace with hash 939967164, now seen corresponding path program 1 times [2025-02-08 06:03:50,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:50,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841485288] [2025-02-08 06:03:50,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:50,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:50,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:03:50,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:03:50,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:50,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:50,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:50,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841485288] [2025-02-08 06:03:50,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841485288] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:50,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:03:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 06:03:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442491285] [2025-02-08 06:03:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:50,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:03:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:50,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:03:50,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:03:50,797 INFO L87 Difference]: Start difference. First operand 663 states and 913 transitions. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:51,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:51,377 INFO L93 Difference]: Finished difference Result 681 states and 937 transitions. [2025-02-08 06:03:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:03:51,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173 [2025-02-08 06:03:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:51,379 INFO L225 Difference]: With dead ends: 681 [2025-02-08 06:03:51,379 INFO L226 Difference]: Without dead ends: 681 [2025-02-08 06:03:51,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:03:51,380 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 26 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:51,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2904 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2025-02-08 06:03:51,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2025-02-08 06:03:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 663 states have (on average 1.3770739064856712) internal successors, (913), 664 states have internal predecessors, (913), 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) [2025-02-08 06:03:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 919 transitions. [2025-02-08 06:03:51,388 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 919 transitions. Word has length 173 [2025-02-08 06:03:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:51,389 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 919 transitions. [2025-02-08 06:03:51,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 919 transitions. [2025-02-08 06:03:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 06:03:51,391 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:51,391 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:51,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 06:03:51,392 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1288400919, now seen corresponding path program 1 times [2025-02-08 06:03:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187853239] [2025-02-08 06:03:51,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:51,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:03:51,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:03:51,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:51,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:51,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:51,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187853239] [2025-02-08 06:03:51,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187853239] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:51,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804175355] [2025-02-08 06:03:51,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:51,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:51,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:51,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:51,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 06:03:51,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:03:52,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:03:52,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:52,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:52,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 06:03:52,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:52,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:52,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804175355] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:52,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:52,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:03:52,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757212454] [2025-02-08 06:03:52,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:52,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:03:52,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:52,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:03:52,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:52,205 INFO L87 Difference]: Start difference. First operand 669 states and 919 transitions. Second operand has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:52,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:52,748 INFO L93 Difference]: Finished difference Result 679 states and 931 transitions. [2025-02-08 06:03:52,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:52,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173 [2025-02-08 06:03:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:52,750 INFO L225 Difference]: With dead ends: 679 [2025-02-08 06:03:52,751 INFO L226 Difference]: Without dead ends: 679 [2025-02-08 06:03:52,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:03:52,751 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 10 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:52,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2165 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2025-02-08 06:03:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 669. [2025-02-08 06:03:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 663 states have (on average 1.3770739064856712) internal successors, (913), 664 states have internal predecessors, (913), 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) [2025-02-08 06:03:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 919 transitions. [2025-02-08 06:03:52,759 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 919 transitions. Word has length 173 [2025-02-08 06:03:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:52,759 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 919 transitions. [2025-02-08 06:03:52,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 919 transitions. [2025-02-08 06:03:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 06:03:52,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:52,760 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:52,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 06:03:52,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:52,961 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:52,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1923617915, now seen corresponding path program 1 times [2025-02-08 06:03:52,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:52,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086423580] [2025-02-08 06:03:52,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:52,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:52,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:03:53,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:03:53,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:53,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:53,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:53,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086423580] [2025-02-08 06:03:53,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086423580] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:53,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044350824] [2025-02-08 06:03:53,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:53,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:53,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:53,237 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:53,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 06:03:53,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:03:53,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:03:53,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:53,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:53,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-08 06:03:53,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:54,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:54,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044350824] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:54,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:54,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-08 06:03:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474544829] [2025-02-08 06:03:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:54,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 06:03:54,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:54,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 06:03:54,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-08 06:03:54,451 INFO L87 Difference]: Start difference. First operand 669 states and 919 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:55,481 INFO L93 Difference]: Finished difference Result 679 states and 929 transitions. [2025-02-08 06:03:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:03:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173 [2025-02-08 06:03:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:55,483 INFO L225 Difference]: With dead ends: 679 [2025-02-08 06:03:55,483 INFO L226 Difference]: Without dead ends: 679 [2025-02-08 06:03:55,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-08 06:03:55,483 INFO L435 NwaCegarLoop]: 455 mSDtfsCounter, 11 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:55,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3504 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 06:03:55,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2025-02-08 06:03:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 675. [2025-02-08 06:03:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 669 states have (on average 1.3736920777279522) internal successors, (919), 670 states have internal predecessors, (919), 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) [2025-02-08 06:03:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 925 transitions. [2025-02-08 06:03:55,490 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 925 transitions. Word has length 173 [2025-02-08 06:03:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:55,490 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 925 transitions. [2025-02-08 06:03:55,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 925 transitions. [2025-02-08 06:03:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 06:03:55,492 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:55,492 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:55,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:55,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:55,692 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:55,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1424577951, now seen corresponding path program 1 times [2025-02-08 06:03:55,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:55,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971816722] [2025-02-08 06:03:55,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:55,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:03:55,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:03:55,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:55,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:56,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:56,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971816722] [2025-02-08 06:03:56,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971816722] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:56,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048485828] [2025-02-08 06:03:56,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:56,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:56,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:56,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:56,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 06:03:56,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:03:56,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:03:56,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:56,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:56,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 06:03:56,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:03:56,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:56,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048485828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:56,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:56,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2025-02-08 06:03:56,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022530327] [2025-02-08 06:03:56,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:56,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:03:56,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:56,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:03:56,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:03:56,720 INFO L87 Difference]: Start difference. First operand 675 states and 925 transitions. Second operand has 10 states, 10 states have (on average 16.7) internal successors, (167), 10 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:57,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:57,244 INFO L93 Difference]: Finished difference Result 689 states and 943 transitions. [2025-02-08 06:03:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:03:57,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.7) internal successors, (167), 10 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174 [2025-02-08 06:03:57,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:57,248 INFO L225 Difference]: With dead ends: 689 [2025-02-08 06:03:57,248 INFO L226 Difference]: Without dead ends: 689 [2025-02-08 06:03:57,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:03:57,249 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 13 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:57,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2923 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:03:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2025-02-08 06:03:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 683. [2025-02-08 06:03:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 677 states have (on average 1.3722304283604136) internal successors, (929), 678 states have internal predecessors, (929), 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) [2025-02-08 06:03:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 935 transitions. [2025-02-08 06:03:57,258 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 935 transitions. Word has length 174 [2025-02-08 06:03:57,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:57,258 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 935 transitions. [2025-02-08 06:03:57,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.7) internal successors, (167), 10 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 935 transitions. [2025-02-08 06:03:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 06:03:57,259 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:57,259 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:57,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 06:03:57,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:57,460 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:03:57,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:03:57,461 INFO L85 PathProgramCache]: Analyzing trace with hash 996021138, now seen corresponding path program 1 times [2025-02-08 06:03:57,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:03:57,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710109760] [2025-02-08 06:03:57,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:03:57,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:03:57,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:03:57,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:57,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:57,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:03:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710109760] [2025-02-08 06:03:57,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710109760] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:03:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3043642] [2025-02-08 06:03:57,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:03:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:03:57,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:03:57,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:03:57,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 06:03:57,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:03:59,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:03:59,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:03:59,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:03:59,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 06:03:59,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:03:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:03:59,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:03:59,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3043642] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:03:59,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:03:59,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-08 06:03:59,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521141762] [2025-02-08 06:03:59,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:03:59,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:03:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:03:59,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:03:59,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:59,763 INFO L87 Difference]: Start difference. First operand 683 states and 935 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:59,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:03:59,830 INFO L93 Difference]: Finished difference Result 686 states and 939 transitions. [2025-02-08 06:03:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:03:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174 [2025-02-08 06:03:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:03:59,833 INFO L225 Difference]: With dead ends: 686 [2025-02-08 06:03:59,834 INFO L226 Difference]: Without dead ends: 686 [2025-02-08 06:03:59,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:03:59,834 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 0 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:03:59,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1391 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:03:59,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2025-02-08 06:03:59,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2025-02-08 06:03:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 679 states have (on average 1.3726067746686303) internal successors, (932), 681 states have internal predecessors, (932), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:03:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 939 transitions. [2025-02-08 06:03:59,843 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 939 transitions. Word has length 174 [2025-02-08 06:03:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:03:59,843 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 939 transitions. [2025-02-08 06:03:59,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:03:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 939 transitions. [2025-02-08 06:03:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-08 06:03:59,845 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:03:59,845 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:03:59,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 06:04:00,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-02-08 06:04:00,046 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:04:00,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:04:00,047 INFO L85 PathProgramCache]: Analyzing trace with hash 786919374, now seen corresponding path program 1 times [2025-02-08 06:04:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:04:00,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095272284] [2025-02-08 06:04:00,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:00,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:04:00,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 06:04:00,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 06:04:00,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:00,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 06:04:00,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:04:00,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095272284] [2025-02-08 06:04:00,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095272284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:04:00,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249854047] [2025-02-08 06:04:00,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:04:00,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:04:00,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:04:00,473 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:04:00,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 06:04:00,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 06:04:00,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 06:04:00,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:04:00,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:04:00,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-02-08 06:04:00,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:04:00,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2025-02-08 06:04:01,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2025-02-08 06:04:01,251 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-08 06:04:01,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-02-08 06:04:01,260 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 11 treesize of output 7 [2025-02-08 06:04:01,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 14 [2025-02-08 06:04:01,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2025-02-08 06:04:01,484 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-02-08 06:04:01,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2025-02-08 06:04:01,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-02-08 06:04:04,645 INFO L349 Elim1Store]: treesize reduction 271829, result has 0.0 percent of original size [2025-02-08 06:04:04,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 88 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 112 new quantified variables, introduced 1282 case distinctions, treesize of input 1466034 treesize of output 878252 [2025-02-08 06:04:22,946 WARN L286 SmtUtils]: Spent 18.22s on a formula simplification. DAG size of input: 21767 DAG size of output: 20118 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-08 06:04:35,443 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 20020 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-08 06:04:50,550 WARN L286 SmtUtils]: Spent 11.57s on a formula simplification that was a NOOP. DAG size: 20020 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)