./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.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_FNV_test5-1.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 c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:55:30,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:55:30,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:55:30,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:55:30,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:55:30,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:55:30,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:55:30,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:55:30,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:55:30,603 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:55:30,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:55:30,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:55:30,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:55:30,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:55:30,604 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:55:30,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:55:30,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:55:30,604 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:55:30,607 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:55:30,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:55:30,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:55:30,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:55:30,608 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 -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2025-02-08 05:55:30,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:55:30,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:55:30,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:55:30,882 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:55:30,882 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:55:30,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2025-02-08 05:55:32,130 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abef9278e/e7c5d4fcdc2e4153b1659672e8fa0490/FLAG0762f15aa [2025-02-08 05:55:32,606 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:55:32,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2025-02-08 05:55:32,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abef9278e/e7c5d4fcdc2e4153b1659672e8fa0490/FLAG0762f15aa [2025-02-08 05:55:32,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abef9278e/e7c5d4fcdc2e4153b1659672e8fa0490 [2025-02-08 05:55:32,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:55:32,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:55:32,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:55:32,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:55:32,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:55:32,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:55:32" (1/1) ... [2025-02-08 05:55:32,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed731b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:32, skipping insertion in model container [2025-02-08 05:55:32,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:55:32" (1/1) ... [2025-02-08 05:55:32,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:55:33,102 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 05:55:33,137 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 05:55:33,144 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 05:55:33,146 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 05:55:33,154 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 05:55:33,181 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 05:55:33,183 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 05:55:33,185 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 05:55:33,190 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 05:55:33,213 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 05:55:33,214 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 05:55:33,215 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 05:55:33,215 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 05:55:33,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:55:33,241 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:55:33,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:55:33,416 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:55:33,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33 WrapperNode [2025-02-08 05:55:33,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:55:33,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:55:33,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:55:33,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:55:33,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,535 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1974 [2025-02-08 05:55:33,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:55:33,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:55:33,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:55:33,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:55:33,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,675 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 323, 24]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 82, 1]. [2025-02-08 05:55:33,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:55:33,799 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:55:33,799 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:55:33,799 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:55:33,801 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (1/1) ... [2025-02-08 05:55:33,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:55:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:33,835 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 05:55:33,838 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 05:55:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 05:55:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 05:55:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 05:55:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 05:55:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 05:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 05:55:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 05:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 05:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 05:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 05:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:55:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:55:34,065 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:55:34,067 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:55:35,740 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2025-02-08 05:55:35,879 INFO L? ?]: Removed 483 outVars from TransFormulas that were not future-live. [2025-02-08 05:55:35,879 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:55:35,944 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:55:35,944 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-08 05:55:35,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:55:35 BoogieIcfgContainer [2025-02-08 05:55:35,944 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:55:35,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:55:35,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:55:35,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:55:35,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:55:32" (1/3) ... [2025-02-08 05:55:35,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc89c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:55:35, skipping insertion in model container [2025-02-08 05:55:35,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:55:33" (2/3) ... [2025-02-08 05:55:35,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc89c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:55:35, skipping insertion in model container [2025-02-08 05:55:35,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:55:35" (3/3) ... [2025-02-08 05:55:35,953 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-1.i [2025-02-08 05:55:35,966 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:55:35,967 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test5-1.i that has 6 procedures, 572 locations, 1 initial locations, 49 loop locations, and 2 error locations. [2025-02-08 05:55:36,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:55:36,032 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;@1f3aed61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:55:36,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:55:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 544 states have (on average 1.6213235294117647) internal successors, (882), 553 states have internal predecessors, (882), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 05:55:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 05:55:36,046 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:36,046 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 05:55:36,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:36,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash 30428812, now seen corresponding path program 1 times [2025-02-08 05:55:36,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:36,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098061414] [2025-02-08 05:55:36,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:36,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 05:55:36,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 05:55:36,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:36,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:36,229 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 05:55:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098061414] [2025-02-08 05:55:36,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098061414] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:36,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:36,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:55:36,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915857450] [2025-02-08 05:55:36,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:36,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:36,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:36,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:36,264 INFO L87 Difference]: Start difference. First operand has 564 states, 544 states have (on average 1.6213235294117647) internal successors, (882), 553 states have internal predecessors, (882), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 05:55:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:36,572 INFO L93 Difference]: Finished difference Result 1107 states and 1625 transitions. [2025-02-08 05:55:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:36,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2025-02-08 05:55:36,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:36,596 INFO L225 Difference]: With dead ends: 1107 [2025-02-08 05:55:36,597 INFO L226 Difference]: Without dead ends: 1101 [2025-02-08 05:55:36,598 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 05:55:36,602 INFO L435 NwaCegarLoop]: 795 mSDtfsCounter, 779 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:36,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1544 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2025-02-08 05:55:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 559. [2025-02-08 05:55:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 543 states have (on average 1.4640883977900552) internal successors, (795), 549 states have internal predecessors, (795), 13 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:55:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 814 transitions. [2025-02-08 05:55:36,695 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 814 transitions. Word has length 4 [2025-02-08 05:55:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:36,696 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 814 transitions. [2025-02-08 05:55:36,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 05:55:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 814 transitions. [2025-02-08 05:55:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-08 05:55:36,709 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:36,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:36,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:55:36,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:36,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:36,711 INFO L85 PathProgramCache]: Analyzing trace with hash -543826128, now seen corresponding path program 1 times [2025-02-08 05:55:36,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:36,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718294551] [2025-02-08 05:55:36,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:36,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 05:55:36,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 05:55:36,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:36,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:55:37,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:37,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718294551] [2025-02-08 05:55:37,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718294551] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:37,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:37,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:37,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728671582] [2025-02-08 05:55:37,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:37,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:37,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:37,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:37,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:37,571 INFO L87 Difference]: Start difference. First operand 559 states and 814 transitions. Second operand has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:55:37,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:37,829 INFO L93 Difference]: Finished difference Result 562 states and 810 transitions. [2025-02-08 05:55:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:55:37,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2025-02-08 05:55:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:37,835 INFO L225 Difference]: With dead ends: 562 [2025-02-08 05:55:37,835 INFO L226 Difference]: Without dead ends: 562 [2025-02-08 05:55:37,835 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 05:55:37,836 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 105 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:37,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2082 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:37,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2025-02-08 05:55:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 559. [2025-02-08 05:55:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 543 states have (on average 1.4511970534069982) internal successors, (788), 549 states have internal predecessors, (788), 13 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:55:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 807 transitions. [2025-02-08 05:55:37,873 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 807 transitions. Word has length 205 [2025-02-08 05:55:37,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:37,873 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 807 transitions. [2025-02-08 05:55:37,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:55:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 807 transitions. [2025-02-08 05:55:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-08 05:55:37,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:37,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:37,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:55:37,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:37,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:37,900 INFO L85 PathProgramCache]: Analyzing trace with hash 324267255, now seen corresponding path program 1 times [2025-02-08 05:55:37,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:37,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326548142] [2025-02-08 05:55:37,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:37,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:37,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 05:55:38,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 05:55:38,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:38,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:55:38,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:38,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326548142] [2025-02-08 05:55:38,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326548142] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:38,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:38,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:55:38,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519881903] [2025-02-08 05:55:38,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:38,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:38,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:38,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:38,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:38,283 INFO L87 Difference]: Start difference. First operand 559 states and 807 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:55:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:38,467 INFO L93 Difference]: Finished difference Result 687 states and 994 transitions. [2025-02-08 05:55:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:38,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2025-02-08 05:55:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:38,471 INFO L225 Difference]: With dead ends: 687 [2025-02-08 05:55:38,471 INFO L226 Difference]: Without dead ends: 687 [2025-02-08 05:55:38,472 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 05:55:38,472 INFO L435 NwaCegarLoop]: 741 mSDtfsCounter, 134 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:38,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1475 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:38,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-02-08 05:55:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2025-02-08 05:55:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 671 states have (on average 1.4530551415797317) internal successors, (975), 677 states have internal predecessors, (975), 13 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:55:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 994 transitions. [2025-02-08 05:55:38,492 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 994 transitions. Word has length 205 [2025-02-08 05:55:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:38,492 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 994 transitions. [2025-02-08 05:55:38,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 2 states have internal predecessors, (204), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:55:38,494 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 994 transitions. [2025-02-08 05:55:38,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-02-08 05:55:38,496 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:38,496 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:38,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:55:38,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:38,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1108068664, now seen corresponding path program 1 times [2025-02-08 05:55:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67358584] [2025-02-08 05:55:38,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:38,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-08 05:55:38,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-08 05:55:38,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:38,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:55:39,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:39,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67358584] [2025-02-08 05:55:39,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67358584] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:39,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:39,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:55:39,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836548813] [2025-02-08 05:55:39,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:39,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:39,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:39,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:39,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:55:39,025 INFO L87 Difference]: Start difference. First operand 687 states and 994 transitions. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:39,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:39,218 INFO L93 Difference]: Finished difference Result 645 states and 917 transitions. [2025-02-08 05:55:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:55:39,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 220 [2025-02-08 05:55:39,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:39,223 INFO L225 Difference]: With dead ends: 645 [2025-02-08 05:55:39,224 INFO L226 Difference]: Without dead ends: 645 [2025-02-08 05:55:39,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 05:55:39,225 INFO L435 NwaCegarLoop]: 649 mSDtfsCounter, 30 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:39,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1929 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2025-02-08 05:55:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2025-02-08 05:55:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 629 states have (on average 1.4276629570747217) internal successors, (898), 635 states have internal predecessors, (898), 13 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:55:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 917 transitions. [2025-02-08 05:55:39,245 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 917 transitions. Word has length 220 [2025-02-08 05:55:39,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:39,246 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 917 transitions. [2025-02-08 05:55:39,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 917 transitions. [2025-02-08 05:55:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-02-08 05:55:39,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:39,250 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:39,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:55:39,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:39,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:39,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1682736272, now seen corresponding path program 1 times [2025-02-08 05:55:39,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:39,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125006030] [2025-02-08 05:55:39,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:39,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:39,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-08 05:55:39,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-08 05:55:39,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:39,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:55:39,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125006030] [2025-02-08 05:55:39,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125006030] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:39,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:39,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:55:39,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401086009] [2025-02-08 05:55:39,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:39,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:39,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:39,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:39,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:39,621 INFO L87 Difference]: Start difference. First operand 645 states and 917 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:39,756 INFO L93 Difference]: Finished difference Result 645 states and 914 transitions. [2025-02-08 05:55:39,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:39,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 220 [2025-02-08 05:55:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:39,760 INFO L225 Difference]: With dead ends: 645 [2025-02-08 05:55:39,760 INFO L226 Difference]: Without dead ends: 645 [2025-02-08 05:55:39,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:55:39,761 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 1 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:39,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1302 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 05:55:39,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2025-02-08 05:55:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2025-02-08 05:55:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 629 states have (on average 1.4228934817170111) internal successors, (895), 635 states have internal predecessors, (895), 13 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 05:55:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 914 transitions. [2025-02-08 05:55:39,777 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 914 transitions. Word has length 220 [2025-02-08 05:55:39,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:39,778 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 914 transitions. [2025-02-08 05:55:39,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 914 transitions. [2025-02-08 05:55:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-02-08 05:55:39,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:39,782 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:39,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:55:39,782 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:39,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:39,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1125475150, now seen corresponding path program 1 times [2025-02-08 05:55:39,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:39,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312948491] [2025-02-08 05:55:39,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:39,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-08 05:55:39,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-08 05:55:39,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:39,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 05:55:40,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:40,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312948491] [2025-02-08 05:55:40,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312948491] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:40,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:55:40,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:55:40,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559053545] [2025-02-08 05:55:40,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:40,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:40,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:40,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:55:40,185 INFO L87 Difference]: Start difference. First operand 645 states and 914 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:40,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:40,386 INFO L93 Difference]: Finished difference Result 934 states and 1323 transitions. [2025-02-08 05:55:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:40,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 220 [2025-02-08 05:55:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:40,391 INFO L225 Difference]: With dead ends: 934 [2025-02-08 05:55:40,391 INFO L226 Difference]: Without dead ends: 934 [2025-02-08 05:55:40,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:55:40,393 INFO L435 NwaCegarLoop]: 841 mSDtfsCounter, 452 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:40,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1495 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2025-02-08 05:55:40,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 926. [2025-02-08 05:55:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 907 states have (on average 1.4233737596471885) internal successors, (1291), 913 states have internal predecessors, (1291), 16 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1316 transitions. [2025-02-08 05:55:40,425 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1316 transitions. Word has length 220 [2025-02-08 05:55:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:40,425 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1316 transitions. [2025-02-08 05:55:40,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 05:55:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1316 transitions. [2025-02-08 05:55:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 05:55:40,430 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:40,430 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:40,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:55:40,430 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:40,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 240671705, now seen corresponding path program 1 times [2025-02-08 05:55:40,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:40,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950856974] [2025-02-08 05:55:40,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:40,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:40,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:40,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:40,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:40,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:40,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:40,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950856974] [2025-02-08 05:55:40,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950856974] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:55:40,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145678381] [2025-02-08 05:55:40,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:40,903 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 05:55:40,905 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 05:55:41,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:41,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:41,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:41,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:41,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:41,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 05:55:41,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:41,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145678381] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:41,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 05:55:41,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-02-08 05:55:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281070802] [2025-02-08 05:55:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:41,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:55:41,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:41,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:55:41,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:55:41,566 INFO L87 Difference]: Start difference. First operand 926 states and 1316 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:41,739 INFO L93 Difference]: Finished difference Result 966 states and 1356 transitions. [2025-02-08 05:55:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:55:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 235 [2025-02-08 05:55:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:41,744 INFO L225 Difference]: With dead ends: 966 [2025-02-08 05:55:41,745 INFO L226 Difference]: Without dead ends: 966 [2025-02-08 05:55:41,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:55:41,745 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 8 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:41,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1281 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2025-02-08 05:55:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2025-02-08 05:55:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 947 states have (on average 1.4054910242872227) internal successors, (1331), 953 states have internal predecessors, (1331), 16 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1356 transitions. [2025-02-08 05:55:41,768 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1356 transitions. Word has length 235 [2025-02-08 05:55:41,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:41,768 INFO L471 AbstractCegarLoop]: Abstraction has 966 states and 1356 transitions. [2025-02-08 05:55:41,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1356 transitions. [2025-02-08 05:55:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 05:55:41,771 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:41,771 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:41,783 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 05:55:41,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:41,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:41,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:41,973 INFO L85 PathProgramCache]: Analyzing trace with hash 116598458, now seen corresponding path program 1 times [2025-02-08 05:55:41,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779345207] [2025-02-08 05:55:41,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:42,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:42,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:42,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:42,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:42,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:42,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779345207] [2025-02-08 05:55:42,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779345207] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:55:42,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179339210] [2025-02-08 05:55:42,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:42,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:42,458 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 05:55:42,463 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 05:55:42,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:43,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:43,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:43,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:43,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:43,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 05:55:43,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 05:55:43,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179339210] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:55:43,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 05:55:43,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 05:55:43,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061817807] [2025-02-08 05:55:43,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:55:43,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:55:43,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:43,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:55:43,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:55:43,077 INFO L87 Difference]: Start difference. First operand 966 states and 1356 transitions. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:43,255 INFO L93 Difference]: Finished difference Result 938 states and 1314 transitions. [2025-02-08 05:55:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:55:43,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 235 [2025-02-08 05:55:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:43,262 INFO L225 Difference]: With dead ends: 938 [2025-02-08 05:55:43,262 INFO L226 Difference]: Without dead ends: 938 [2025-02-08 05:55:43,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 05:55:43,263 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 105 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:43,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1839 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 05:55:43,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-02-08 05:55:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2025-02-08 05:55:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 919 states have (on average 1.4026115342763874) internal successors, (1289), 925 states have internal predecessors, (1289), 16 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 05:55:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1314 transitions. [2025-02-08 05:55:43,290 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1314 transitions. Word has length 235 [2025-02-08 05:55:43,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:43,290 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1314 transitions. [2025-02-08 05:55:43,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 05:55:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1314 transitions. [2025-02-08 05:55:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 05:55:43,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:43,294 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:43,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 05:55:43,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:43,495 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:43,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:43,495 INFO L85 PathProgramCache]: Analyzing trace with hash -31149101, now seen corresponding path program 1 times [2025-02-08 05:55:43,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:43,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205034467] [2025-02-08 05:55:43,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:43,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:43,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:43,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:43,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:43,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:43,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205034467] [2025-02-08 05:55:43,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205034467] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:55:43,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601363777] [2025-02-08 05:55:43,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:43,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:43,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:43,854 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 05:55:43,857 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 05:55:44,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 05:55:44,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 05:55:44,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:44,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:44,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 05:55:44,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:44,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:55:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:44,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601363777] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:55:44,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:55:44,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-08 05:55:44,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656553993] [2025-02-08 05:55:44,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:55:44,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 05:55:44,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:44,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 05:55:44,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 05:55:44,920 INFO L87 Difference]: Start difference. First operand 938 states and 1314 transitions. Second operand has 7 states, 7 states have (on average 75.42857142857143) internal successors, (528), 7 states have internal predecessors, (528), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 05:55:45,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:45,334 INFO L93 Difference]: Finished difference Result 2168 states and 3041 transitions. [2025-02-08 05:55:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:55:45,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 75.42857142857143) internal successors, (528), 7 states have internal predecessors, (528), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 235 [2025-02-08 05:55:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:45,345 INFO L225 Difference]: With dead ends: 2168 [2025-02-08 05:55:45,345 INFO L226 Difference]: Without dead ends: 2168 [2025-02-08 05:55:45,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 05:55:45,346 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 3750 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3766 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:45,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3766 Valid, 2620 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 05:55:45,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2025-02-08 05:55:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 1851. [2025-02-08 05:55:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1817 states have (on average 1.3924050632911393) internal successors, (2530), 1823 states have internal predecessors, (2530), 31 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 05:55:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2585 transitions. [2025-02-08 05:55:45,414 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2585 transitions. Word has length 235 [2025-02-08 05:55:45,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:45,414 INFO L471 AbstractCegarLoop]: Abstraction has 1851 states and 2585 transitions. [2025-02-08 05:55:45,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.42857142857143) internal successors, (528), 7 states have internal predecessors, (528), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 05:55:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2585 transitions. [2025-02-08 05:55:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2025-02-08 05:55:45,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:45,428 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:45,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 05:55:45,629 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 05:55:45,629 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:45,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:45,630 INFO L85 PathProgramCache]: Analyzing trace with hash 360154247, now seen corresponding path program 1 times [2025-02-08 05:55:45,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:45,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274447577] [2025-02-08 05:55:45,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:45,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 667 statements into 1 equivalence classes. [2025-02-08 05:55:45,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 667 of 667 statements. [2025-02-08 05:55:45,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:45,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 4 proven. 363 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2025-02-08 05:55:46,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:55:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274447577] [2025-02-08 05:55:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274447577] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:55:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004311764] [2025-02-08 05:55:46,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:46,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:55:46,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:55:46,668 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 05:55:46,670 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 05:55:47,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 667 statements into 1 equivalence classes. [2025-02-08 05:55:47,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 667 of 667 statements. [2025-02-08 05:55:47,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:55:47,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:55:47,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 3260 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 05:55:47,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:55:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:48,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:55:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 05:55:49,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004311764] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:55:49,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:55:49,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2025-02-08 05:55:49,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991728523] [2025-02-08 05:55:49,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:55:49,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 05:55:49,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:55:49,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 05:55:49,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 05:55:49,339 INFO L87 Difference]: Start difference. First operand 1851 states and 2585 transitions. Second operand has 14 states, 14 states have (on average 112.21428571428571) internal successors, (1571), 14 states have internal predecessors, (1571), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 05:55:52,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 05:55:52,463 INFO L93 Difference]: Finished difference Result 4329 states and 6028 transitions. [2025-02-08 05:55:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 05:55:52,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 112.21428571428571) internal successors, (1571), 14 states have internal predecessors, (1571), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 667 [2025-02-08 05:55:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 05:55:52,481 INFO L225 Difference]: With dead ends: 4329 [2025-02-08 05:55:52,482 INFO L226 Difference]: Without dead ends: 4329 [2025-02-08 05:55:52,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1348 GetRequests, 1324 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=238, Invalid=412, Unknown=0, NotChecked=0, Total=650 [2025-02-08 05:55:52,483 INFO L435 NwaCegarLoop]: 936 mSDtfsCounter, 16216 mSDsluCounter, 5148 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16216 SdHoareTripleChecker+Valid, 6084 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-08 05:55:52,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16216 Valid, 6084 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-08 05:55:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2025-02-08 05:55:52,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4136. [2025-02-08 05:55:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 4084 states have (on average 1.3885896180215476) internal successors, (5671), 4090 states have internal predecessors, (5671), 49 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-02-08 05:55:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 5762 transitions. [2025-02-08 05:55:52,560 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 5762 transitions. Word has length 667 [2025-02-08 05:55:52,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 05:55:52,561 INFO L471 AbstractCegarLoop]: Abstraction has 4136 states and 5762 transitions. [2025-02-08 05:55:52,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.21428571428571) internal successors, (1571), 14 states have internal predecessors, (1571), 4 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 05:55:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 5762 transitions. [2025-02-08 05:55:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1542 [2025-02-08 05:55:52,612 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 05:55:52,612 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:55:52,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 05:55:52,813 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,SelfDestructingSolverStorable9 [2025-02-08 05:55:52,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 05:55:52,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:55:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash -684740383, now seen corresponding path program 1 times [2025-02-08 05:55:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:55:52,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518758865] [2025-02-08 05:55:52,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:55:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:55:53,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1541 statements into 1 equivalence classes.