./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 06:06:45,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 06:06:45,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 06:06:45,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 06:06:45,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 06:06:45,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 06:06:45,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 06:06:45,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 06:06:45,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 06:06:45,306 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 06:06:45,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 06:06:45,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 06:06:45,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 06:06:45,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 06:06:45,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 06:06:45,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 06:06:45,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 06:06:45,308 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 06:06:45,309 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:06:45,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 06:06:45,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 06:06:45,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 06:06:45,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 06:06:45,310 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2025-02-08 06:06:45,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 06:06:45,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 06:06:45,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 06:06:45,550 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 06:06:45,551 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 06:06:45,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2025-02-08 06:06:46,702 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e76c31fb0/5fc5c4c29d0649eea28cc8bc63342aed/FLAG6602826a3 [2025-02-08 06:06:46,967 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 06:06:46,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2025-02-08 06:06:46,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e76c31fb0/5fc5c4c29d0649eea28cc8bc63342aed/FLAG6602826a3 [2025-02-08 06:06:47,273 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e76c31fb0/5fc5c4c29d0649eea28cc8bc63342aed [2025-02-08 06:06:47,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 06:06:47,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 06:06:47,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 06:06:47,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 06:06:47,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 06:06:47,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b50a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47, skipping insertion in model container [2025-02-08 06:06:47,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 06:06:47,580 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,611 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,614 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,616 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,623 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,642 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,642 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,644 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,644 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 06:06:47,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:06:47,658 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 06:06:47,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 06:06:47,761 INFO L204 MainTranslator]: Completed translation [2025-02-08 06:06:47,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47 WrapperNode [2025-02-08 06:06:47,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 06:06:47,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 06:06:47,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 06:06:47,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 06:06:47,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,817 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1241 [2025-02-08 06:06:47,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 06:06:47,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 06:06:47,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 06:06:47,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 06:06:47,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,837 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,884 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 170, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2025-02-08 06:06:47,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 06:06:47,942 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 06:06:47,942 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 06:06:47,942 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 06:06:47,943 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (1/1) ... [2025-02-08 06:06:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 06:06:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:06:47,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 06:06:47,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 06:06:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 06:06:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 06:06:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 06:06:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 06:06:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 06:06:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 06:06:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 06:06:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 06:06:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 06:06:48,124 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 06:06:48,126 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 06:06:49,054 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 06:06:49,146 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2025-02-08 06:06:49,147 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 06:06:49,190 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 06:06:49,191 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 06:06:49,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:06:49 BoogieIcfgContainer [2025-02-08 06:06:49,191 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 06:06:49,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 06:06:49,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 06:06:49,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 06:06:49,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 06:06:47" (1/3) ... [2025-02-08 06:06:49,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56704dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:06:49, skipping insertion in model container [2025-02-08 06:06:49,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 06:06:47" (2/3) ... [2025-02-08 06:06:49,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56704dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 06:06:49, skipping insertion in model container [2025-02-08 06:06:49,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 06:06:49" (3/3) ... [2025-02-08 06:06:49,197 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test2-1.i [2025-02-08 06:06:49,207 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 06:06:49,209 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test2-1.i that has 4 procedures, 372 locations, 1 initial locations, 33 loop locations, and 2 error locations. [2025-02-08 06:06:49,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 06:06:49,254 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;@76c543d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 06:06:49,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 06:06:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 364 states, 357 states have (on average 1.619047619047619) internal successors, (578), 359 states have internal predecessors, (578), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 06:06:49,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:49,262 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 06:06:49,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:49,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:49,266 INFO L85 PathProgramCache]: Analyzing trace with hash 661615, now seen corresponding path program 1 times [2025-02-08 06:06:49,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:49,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626883740] [2025-02-08 06:06:49,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:49,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 06:06:49,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 06:06:49,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:49,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:06:49,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:49,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626883740] [2025-02-08 06:06:49,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626883740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:49,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:49,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:06:49,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964515625] [2025-02-08 06:06:49,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:49,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:06:49,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:49,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:06:49,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:06:49,469 INFO L87 Difference]: Start difference. First operand has 364 states, 357 states have (on average 1.619047619047619) internal successors, (578), 359 states have internal predecessors, (578), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:49,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:49,752 INFO L93 Difference]: Finished difference Result 526 states and 767 transitions. [2025-02-08 06:06:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:06:49,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-02-08 06:06:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:49,762 INFO L225 Difference]: With dead ends: 526 [2025-02-08 06:06:49,764 INFO L226 Difference]: Without dead ends: 522 [2025-02-08 06:06:49,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:06:49,767 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 238 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:49,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1414 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:06:49,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-02-08 06:06:49,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 519. [2025-02-08 06:06:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.4678362573099415) internal successors, (753), 514 states have internal predecessors, (753), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 759 transitions. [2025-02-08 06:06:49,812 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 759 transitions. Word has length 3 [2025-02-08 06:06:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:49,813 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 759 transitions. [2025-02-08 06:06:49,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 759 transitions. [2025-02-08 06:06:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 06:06:49,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:49,817 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:49,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 06:06:49,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:49,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:49,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1540687687, now seen corresponding path program 1 times [2025-02-08 06:06:49,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:49,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485973772] [2025-02-08 06:06:49,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:49,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:49,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 06:06:49,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 06:06:49,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:49,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:06:50,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:50,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485973772] [2025-02-08 06:06:50,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485973772] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:50,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:50,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 06:06:50,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339192551] [2025-02-08 06:06:50,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:50,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:06:50,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:50,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:06:50,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 06:06:50,093 INFO L87 Difference]: Start difference. First operand 519 states and 759 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:50,234 INFO L93 Difference]: Finished difference Result 525 states and 751 transitions. [2025-02-08 06:06:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:06:50,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2025-02-08 06:06:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:50,237 INFO L225 Difference]: With dead ends: 525 [2025-02-08 06:06:50,237 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 06:06:50,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:06:50,239 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 105 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:50,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1284 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:06:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 06:06:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 519. [2025-02-08 06:06:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.4405458089668617) internal successors, (739), 514 states have internal predecessors, (739), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 745 transitions. [2025-02-08 06:06:50,260 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 745 transitions. Word has length 65 [2025-02-08 06:06:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:50,261 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 745 transitions. [2025-02-08 06:06:50,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 745 transitions. [2025-02-08 06:06:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 06:06:50,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:50,262 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:50,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 06:06:50,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:50,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:50,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1392940128, now seen corresponding path program 1 times [2025-02-08 06:06:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:50,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825713423] [2025-02-08 06:06:50,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:50,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 06:06:50,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 06:06:50,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:50,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:06:50,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:50,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825713423] [2025-02-08 06:06:50,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825713423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:50,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:50,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:06:50,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253346865] [2025-02-08 06:06:50,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:50,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:06:50,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:50,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:06:50,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:06:50,731 INFO L87 Difference]: Start difference. First operand 519 states and 745 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:50,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:50,996 INFO L93 Difference]: Finished difference Result 716 states and 1028 transitions. [2025-02-08 06:06:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:06:50,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2025-02-08 06:06:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:50,999 INFO L225 Difference]: With dead ends: 716 [2025-02-08 06:06:51,000 INFO L226 Difference]: Without dead ends: 713 [2025-02-08 06:06:51,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:06:51,001 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 500 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:51,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 2288 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:06:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-02-08 06:06:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 363. [2025-02-08 06:06:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 357 states have (on average 1.4369747899159664) internal successors, (513), 358 states have internal predecessors, (513), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 519 transitions. [2025-02-08 06:06:51,013 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 519 transitions. Word has length 65 [2025-02-08 06:06:51,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:51,013 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 519 transitions. [2025-02-08 06:06:51,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 519 transitions. [2025-02-08 06:06:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:06:51,016 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:51,017 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:51,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 06:06:51,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:51,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1317434251, now seen corresponding path program 1 times [2025-02-08 06:06:51,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:51,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036999789] [2025-02-08 06:06:51,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:51,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:06:51,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:06:51,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:51,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:06:51,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036999789] [2025-02-08 06:06:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036999789] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:51,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:51,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 06:06:51,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382314320] [2025-02-08 06:06:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:51,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:06:51,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:51,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:06:51,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:06:51,260 INFO L87 Difference]: Start difference. First operand 363 states and 519 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:51,382 INFO L93 Difference]: Finished difference Result 366 states and 515 transitions. [2025-02-08 06:06:51,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:06:51,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2025-02-08 06:06:51,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:51,384 INFO L225 Difference]: With dead ends: 366 [2025-02-08 06:06:51,384 INFO L226 Difference]: Without dead ends: 366 [2025-02-08 06:06:51,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:06:51,385 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 108 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:51,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1263 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:06:51,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-02-08 06:06:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 363. [2025-02-08 06:06:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 357 states have (on average 1.4173669467787116) internal successors, (506), 358 states have internal predecessors, (506), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 512 transitions. [2025-02-08 06:06:51,396 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 512 transitions. Word has length 84 [2025-02-08 06:06:51,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:51,396 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 512 transitions. [2025-02-08 06:06:51,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 512 transitions. [2025-02-08 06:06:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 06:06:51,398 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:51,398 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:51,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 06:06:51,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:51,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash 586055941, now seen corresponding path program 1 times [2025-02-08 06:06:51,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:51,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358972176] [2025-02-08 06:06:51,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:51,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 06:06:51,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 06:06:51,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:51,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:06:51,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:51,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358972176] [2025-02-08 06:06:51,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358972176] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:51,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:51,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 06:06:51,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841611874] [2025-02-08 06:06:51,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:51,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 06:06:51,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:51,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 06:06:51,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:06:51,550 INFO L87 Difference]: Start difference. First operand 363 states and 512 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:51,707 INFO L93 Difference]: Finished difference Result 631 states and 898 transitions. [2025-02-08 06:06:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 06:06:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2025-02-08 06:06:51,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:51,710 INFO L225 Difference]: With dead ends: 631 [2025-02-08 06:06:51,710 INFO L226 Difference]: Without dead ends: 631 [2025-02-08 06:06:51,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 06:06:51,711 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 332 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:51,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1093 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:06:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2025-02-08 06:06:51,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2025-02-08 06:06:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 619 states have (on average 1.4345718901453959) internal successors, (888), 620 states have internal predecessors, (888), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 894 transitions. [2025-02-08 06:06:51,731 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 894 transitions. Word has length 84 [2025-02-08 06:06:51,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:51,732 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 894 transitions. [2025-02-08 06:06:51,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 06:06:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 894 transitions. [2025-02-08 06:06:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 06:06:51,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:51,733 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:51,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 06:06:51,734 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:51,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:51,734 INFO L85 PathProgramCache]: Analyzing trace with hash -832465291, now seen corresponding path program 1 times [2025-02-08 06:06:51,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:51,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014111838] [2025-02-08 06:06:51,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:51,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 06:06:51,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 06:06:51,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:51,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:06:52,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014111838] [2025-02-08 06:06:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014111838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:06:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740950810] [2025-02-08 06:06:52,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:52,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:06:52,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:06:52,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 06:06:52,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 06:06:52,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 06:06:52,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:52,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:52,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 06:06:52,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:06:52,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 06:06:52,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2025-02-08 06:06:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:53,241 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:06:53,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740950810] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:53,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:06:53,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-08 06:06:53,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312741407] [2025-02-08 06:06:53,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:53,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 06:06:53,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:53,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 06:06:53,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 06:06:53,244 INFO L87 Difference]: Start difference. First operand 625 states and 894 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:55,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:55,026 INFO L93 Difference]: Finished difference Result 899 states and 1271 transitions. [2025-02-08 06:06:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 06:06:55,027 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2025-02-08 06:06:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:55,030 INFO L225 Difference]: With dead ends: 899 [2025-02-08 06:06:55,030 INFO L226 Difference]: Without dead ends: 899 [2025-02-08 06:06:55,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 06:06:55,031 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 765 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2778 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:55,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 2778 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 06:06:55,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2025-02-08 06:06:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 650. [2025-02-08 06:06:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 644 states have (on average 1.4254658385093169) internal successors, (918), 645 states have internal predecessors, (918), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 924 transitions. [2025-02-08 06:06:55,053 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 924 transitions. Word has length 99 [2025-02-08 06:06:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:55,053 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 924 transitions. [2025-02-08 06:06:55,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 924 transitions. [2025-02-08 06:06:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 06:06:55,056 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:55,056 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:55,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 06:06:55,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:55,260 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:55,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash 466133543, now seen corresponding path program 1 times [2025-02-08 06:06:55,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:55,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264358806] [2025-02-08 06:06:55,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:55,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 06:06:55,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 06:06:55,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:55,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:06:55,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:55,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264358806] [2025-02-08 06:06:55,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264358806] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:06:55,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959415895] [2025-02-08 06:06:55,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:55,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:06:55,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:06:55,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 06:06:55,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 06:06:55,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 06:06:55,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:55,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:55,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 06:06:55,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:06:56,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 06:06:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:56,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:06:56,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959415895] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:56,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:06:56,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2025-02-08 06:06:56,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649704436] [2025-02-08 06:06:56,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:56,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:06:56,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:56,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:06:56,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:06:56,147 INFO L87 Difference]: Start difference. First operand 650 states and 924 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:56,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:56,338 INFO L93 Difference]: Finished difference Result 814 states and 1157 transitions. [2025-02-08 06:06:56,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:06:56,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2025-02-08 06:06:56,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:56,342 INFO L225 Difference]: With dead ends: 814 [2025-02-08 06:06:56,342 INFO L226 Difference]: Without dead ends: 814 [2025-02-08 06:06:56,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:06:56,343 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 638 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:56,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1369 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:06:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2025-02-08 06:06:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 652. [2025-02-08 06:06:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 646 states have (on average 1.4241486068111455) internal successors, (920), 647 states have internal predecessors, (920), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 926 transitions. [2025-02-08 06:06:56,362 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 926 transitions. Word has length 100 [2025-02-08 06:06:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:56,362 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 926 transitions. [2025-02-08 06:06:56,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 926 transitions. [2025-02-08 06:06:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 06:06:56,367 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:56,367 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:56,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 06:06:56,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:56,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:56,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:56,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1920687970, now seen corresponding path program 1 times [2025-02-08 06:06:56,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:56,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106200992] [2025-02-08 06:06:56,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:56,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:56,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 06:06:56,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 06:06:56,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:56,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:56,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:56,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106200992] [2025-02-08 06:06:56,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106200992] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:56,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:56,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 06:06:56,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208100867] [2025-02-08 06:06:56,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:56,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 06:06:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:56,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 06:06:56,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:06:56,775 INFO L87 Difference]: Start difference. First operand 652 states and 926 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:57,170 INFO L93 Difference]: Finished difference Result 736 states and 1033 transitions. [2025-02-08 06:06:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 06:06:57,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 156 [2025-02-08 06:06:57,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:57,174 INFO L225 Difference]: With dead ends: 736 [2025-02-08 06:06:57,174 INFO L226 Difference]: Without dead ends: 736 [2025-02-08 06:06:57,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:06:57,175 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 1669 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:57,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 1200 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:06:57,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-02-08 06:06:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 518. [2025-02-08 06:06:57,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 512 states have (on average 1.412109375) internal successors, (723), 513 states have internal predecessors, (723), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 729 transitions. [2025-02-08 06:06:57,188 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 729 transitions. Word has length 156 [2025-02-08 06:06:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:57,189 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 729 transitions. [2025-02-08 06:06:57,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 729 transitions. [2025-02-08 06:06:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 06:06:57,190 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:57,191 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:57,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 06:06:57,191 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:57,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:57,192 INFO L85 PathProgramCache]: Analyzing trace with hash 32241620, now seen corresponding path program 1 times [2025-02-08 06:06:57,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:57,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742554099] [2025-02-08 06:06:57,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:57,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:57,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 06:06:57,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 06:06:57,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:57,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:06:57,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:57,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742554099] [2025-02-08 06:06:57,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742554099] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:06:57,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164262539] [2025-02-08 06:06:57,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:57,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:57,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:06:57,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:06:57,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 06:06:57,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 06:06:57,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 06:06:57,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:57,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:57,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 06:06:57,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:06:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:57,867 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:06:57,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164262539] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:57,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:06:57,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 06:06:57,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561050706] [2025-02-08 06:06:57,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:57,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:06:57,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:57,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:06:57,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:06:57,868 INFO L87 Difference]: Start difference. First operand 518 states and 729 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:58,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:58,079 INFO L93 Difference]: Finished difference Result 561 states and 786 transitions. [2025-02-08 06:06:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:06:58,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2025-02-08 06:06:58,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:58,081 INFO L225 Difference]: With dead ends: 561 [2025-02-08 06:06:58,081 INFO L226 Difference]: Without dead ends: 561 [2025-02-08 06:06:58,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:06:58,082 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 17 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:58,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1214 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 06:06:58,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2025-02-08 06:06:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 545. [2025-02-08 06:06:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 539 states have (on average 1.4025974025974026) internal successors, (756), 540 states have internal predecessors, (756), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 762 transitions. [2025-02-08 06:06:58,091 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 762 transitions. Word has length 166 [2025-02-08 06:06:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:58,091 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 762 transitions. [2025-02-08 06:06:58,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 762 transitions. [2025-02-08 06:06:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-02-08 06:06:58,093 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:58,093 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:58,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 06:06:58,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:06:58,294 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:58,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:58,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1872233409, now seen corresponding path program 1 times [2025-02-08 06:06:58,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:58,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516731264] [2025-02-08 06:06:58,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:58,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:58,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-08 06:06:58,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-08 06:06:58,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:58,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:58,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:58,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516731264] [2025-02-08 06:06:58,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516731264] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:58,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:58,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 06:06:58,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160339935] [2025-02-08 06:06:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:58,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:06:58,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:58,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:06:58,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:06:58,632 INFO L87 Difference]: Start difference. First operand 545 states and 762 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:58,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:58,992 INFO L93 Difference]: Finished difference Result 557 states and 776 transitions. [2025-02-08 06:06:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:06:58,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 167 [2025-02-08 06:06:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:58,995 INFO L225 Difference]: With dead ends: 557 [2025-02-08 06:06:58,995 INFO L226 Difference]: Without dead ends: 557 [2025-02-08 06:06:58,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:06:58,995 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 8 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:58,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1510 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:06:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-08 06:06:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 553. [2025-02-08 06:06:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 547 states have (on average 1.40036563071298) internal successors, (766), 548 states have internal predecessors, (766), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 772 transitions. [2025-02-08 06:06:59,008 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 772 transitions. Word has length 167 [2025-02-08 06:06:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:59,008 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 772 transitions. [2025-02-08 06:06:59,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 772 transitions. [2025-02-08 06:06:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 06:06:59,010 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:59,010 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:59,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 06:06:59,011 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:59,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 634187504, now seen corresponding path program 1 times [2025-02-08 06:06:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:59,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052208356] [2025-02-08 06:06:59,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:59,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:06:59,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:06:59,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:59,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:06:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:06:59,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:06:59,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052208356] [2025-02-08 06:06:59,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052208356] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:06:59,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:06:59,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:06:59,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389982484] [2025-02-08 06:06:59,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:06:59,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:06:59,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:06:59,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:06:59,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:06:59,302 INFO L87 Difference]: Start difference. First operand 553 states and 772 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:06:59,787 INFO L93 Difference]: Finished difference Result 575 states and 802 transitions. [2025-02-08 06:06:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:06:59,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2025-02-08 06:06:59,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:06:59,790 INFO L225 Difference]: With dead ends: 575 [2025-02-08 06:06:59,790 INFO L226 Difference]: Without dead ends: 575 [2025-02-08 06:06:59,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:06:59,790 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 12 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:06:59,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2159 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:06:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-02-08 06:06:59,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 569. [2025-02-08 06:06:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 563 states have (on average 1.3996447602131439) internal successors, (788), 564 states have internal predecessors, (788), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:06:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 794 transitions. [2025-02-08 06:06:59,801 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 794 transitions. Word has length 168 [2025-02-08 06:06:59,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:06:59,801 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 794 transitions. [2025-02-08 06:06:59,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:06:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 794 transitions. [2025-02-08 06:06:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 06:06:59,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:06:59,803 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:06:59,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 06:06:59,804 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:06:59,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:06:59,804 INFO L85 PathProgramCache]: Analyzing trace with hash 956383697, now seen corresponding path program 1 times [2025-02-08 06:06:59,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:06:59,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786340065] [2025-02-08 06:06:59,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:06:59,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:06:59,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:06:59,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:06:59,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:06:59,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:00,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:00,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786340065] [2025-02-08 06:07:00,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786340065] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:00,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869394910] [2025-02-08 06:07:00,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:00,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:00,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:00,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:00,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 06:07:00,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 06:07:00,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 06:07:00,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:00,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:00,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 06:07:00,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:00,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 06:07:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:00,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:00,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869394910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:00,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:00,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2025-02-08 06:07:00,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740999339] [2025-02-08 06:07:00,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:00,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:07:00,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:00,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:07:00,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:07:00,883 INFO L87 Difference]: Start difference. First operand 569 states and 794 transitions. Second operand has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:01,910 INFO L93 Difference]: Finished difference Result 825 states and 1148 transitions. [2025-02-08 06:07:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:07:01,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2025-02-08 06:07:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:01,913 INFO L225 Difference]: With dead ends: 825 [2025-02-08 06:07:01,913 INFO L226 Difference]: Without dead ends: 825 [2025-02-08 06:07:01,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2025-02-08 06:07:01,914 INFO L435 NwaCegarLoop]: 467 mSDtfsCounter, 546 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:01,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1970 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 06:07:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2025-02-08 06:07:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 597. [2025-02-08 06:07:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 591 states have (on average 1.38917089678511) internal successors, (821), 592 states have internal predecessors, (821), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 827 transitions. [2025-02-08 06:07:01,928 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 827 transitions. Word has length 168 [2025-02-08 06:07:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:01,928 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 827 transitions. [2025-02-08 06:07:01,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 827 transitions. [2025-02-08 06:07:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 06:07:01,930 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:01,930 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:01,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:02,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 06:07:02,131 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:02,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1696868511, now seen corresponding path program 1 times [2025-02-08 06:07:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:02,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703499461] [2025-02-08 06:07:02,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:02,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 06:07:02,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 06:07:02,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:02,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:02,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:02,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703499461] [2025-02-08 06:07:02,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703499461] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:02,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558058883] [2025-02-08 06:07:02,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:02,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:02,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:02,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 06:07:02,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 06:07:02,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 06:07:02,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:02,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:02,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 06:07:02,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:02,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:02,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558058883] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:02,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:02,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2025-02-08 06:07:02,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606432113] [2025-02-08 06:07:02,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:02,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:07:02,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:02,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:07:02,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:07:02,923 INFO L87 Difference]: Start difference. First operand 597 states and 827 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:03,291 INFO L93 Difference]: Finished difference Result 637 states and 879 transitions. [2025-02-08 06:07:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:07:03,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 169 [2025-02-08 06:07:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:03,294 INFO L225 Difference]: With dead ends: 637 [2025-02-08 06:07:03,295 INFO L226 Difference]: Without dead ends: 637 [2025-02-08 06:07:03,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 06:07:03,296 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 34 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:03,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1928 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:07:03,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-02-08 06:07:03,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 623. [2025-02-08 06:07:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 617 states have (on average 1.3824959481361425) internal successors, (853), 618 states have internal predecessors, (853), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 859 transitions. [2025-02-08 06:07:03,306 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 859 transitions. Word has length 169 [2025-02-08 06:07:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:03,307 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 859 transitions. [2025-02-08 06:07:03,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 859 transitions. [2025-02-08 06:07:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-08 06:07:03,308 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:03,308 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:03,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:03,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 06:07:03,510 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:03,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:03,511 INFO L85 PathProgramCache]: Analyzing trace with hash -232147820, now seen corresponding path program 1 times [2025-02-08 06:07:03,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:03,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120330071] [2025-02-08 06:07:03,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:03,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:03,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 06:07:03,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 06:07:03,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:03,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:03,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:03,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120330071] [2025-02-08 06:07:03,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120330071] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:03,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:03,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 06:07:03,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62052373] [2025-02-08 06:07:03,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:03,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 06:07:03,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:03,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 06:07:03,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:07:03,780 INFO L87 Difference]: Start difference. First operand 623 states and 859 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:04,099 INFO L93 Difference]: Finished difference Result 629 states and 866 transitions. [2025-02-08 06:07:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 06:07:04,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 170 [2025-02-08 06:07:04,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:04,101 INFO L225 Difference]: With dead ends: 629 [2025-02-08 06:07:04,101 INFO L226 Difference]: Without dead ends: 629 [2025-02-08 06:07:04,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 06:07:04,102 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 8 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:04,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1510 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:07:04,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2025-02-08 06:07:04,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 627. [2025-02-08 06:07:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 621 states have (on average 1.3816425120772946) internal successors, (858), 622 states have internal predecessors, (858), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 864 transitions. [2025-02-08 06:07:04,112 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 864 transitions. Word has length 170 [2025-02-08 06:07:04,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:04,113 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 864 transitions. [2025-02-08 06:07:04,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 864 transitions. [2025-02-08 06:07:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 06:07:04,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:04,114 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:04,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 06:07:04,115 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:04,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:04,115 INFO L85 PathProgramCache]: Analyzing trace with hash 731904389, now seen corresponding path program 1 times [2025-02-08 06:07:04,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666646066] [2025-02-08 06:07:04,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:04,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:07:04,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:07:04,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:04,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:04,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:04,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666646066] [2025-02-08 06:07:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666646066] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:04,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:04,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 06:07:04,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369286066] [2025-02-08 06:07:04,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:04,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:04,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:04,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:04,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:07:04,367 INFO L87 Difference]: Start difference. First operand 627 states and 864 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:04,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:04,917 INFO L93 Difference]: Finished difference Result 638 states and 879 transitions. [2025-02-08 06:07:04,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:04,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-02-08 06:07:04,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:04,921 INFO L225 Difference]: With dead ends: 638 [2025-02-08 06:07:04,922 INFO L226 Difference]: Without dead ends: 638 [2025-02-08 06:07:04,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 06:07:04,923 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 12 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:04,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2159 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:07:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2025-02-08 06:07:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 635. [2025-02-08 06:07:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 629 states have (on average 1.381558028616852) internal successors, (869), 630 states have internal predecessors, (869), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 875 transitions. [2025-02-08 06:07:04,936 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 875 transitions. Word has length 171 [2025-02-08 06:07:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:04,937 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 875 transitions. [2025-02-08 06:07:04,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 875 transitions. [2025-02-08 06:07:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 06:07:04,939 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:04,939 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:04,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 06:07:04,940 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:04,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:04,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2025885812, now seen corresponding path program 1 times [2025-02-08 06:07:04,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:04,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447662585] [2025-02-08 06:07:04,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:04,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:04,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:07:05,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:07:05,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:05,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447662585] [2025-02-08 06:07:05,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447662585] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491327518] [2025-02-08 06:07:05,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:05,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:05,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:05,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 06:07:05,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 06:07:05,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 06:07:05,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:05,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:05,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 06:07:05,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:12,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:12,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491327518] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:12,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:12,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:07:12,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000727586] [2025-02-08 06:07:12,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:12,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:12,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:12,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:12,875 INFO L87 Difference]: Start difference. First operand 635 states and 875 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:17,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-08 06:07:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:19,043 INFO L93 Difference]: Finished difference Result 642 states and 884 transitions. [2025-02-08 06:07:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-02-08 06:07:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:19,046 INFO L225 Difference]: With dead ends: 642 [2025-02-08 06:07:19,046 INFO L226 Difference]: Without dead ends: 642 [2025-02-08 06:07:19,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:19,047 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 12 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:19,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2165 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 924 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2025-02-08 06:07:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2025-02-08 06:07:19,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 635. [2025-02-08 06:07:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 629 states have (on average 1.381558028616852) internal successors, (869), 630 states have internal predecessors, (869), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 875 transitions. [2025-02-08 06:07:19,058 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 875 transitions. Word has length 171 [2025-02-08 06:07:19,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:19,059 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 875 transitions. [2025-02-08 06:07:19,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 875 transitions. [2025-02-08 06:07:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 06:07:19,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:19,062 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:19,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:19,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 06:07:19,269 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:19,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:19,270 INFO L85 PathProgramCache]: Analyzing trace with hash -546044677, now seen corresponding path program 1 times [2025-02-08 06:07:19,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:19,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632023047] [2025-02-08 06:07:19,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:19,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:19,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:07:19,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:07:19,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:19,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:19,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:19,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632023047] [2025-02-08 06:07:19,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632023047] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:19,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:19,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 06:07:19,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009788955] [2025-02-08 06:07:19,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:19,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 06:07:19,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:19,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 06:07:19,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:19,650 INFO L87 Difference]: Start difference. First operand 635 states and 875 transitions. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:20,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:20,203 INFO L93 Difference]: Finished difference Result 648 states and 891 transitions. [2025-02-08 06:07:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 06:07:20,204 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 172 [2025-02-08 06:07:20,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:20,206 INFO L225 Difference]: With dead ends: 648 [2025-02-08 06:07:20,206 INFO L226 Difference]: Without dead ends: 648 [2025-02-08 06:07:20,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:20,208 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 20 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:20,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2952 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:07:20,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2025-02-08 06:07:20,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 642. [2025-02-08 06:07:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 636 states have (on average 1.380503144654088) internal successors, (878), 637 states have internal predecessors, (878), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 884 transitions. [2025-02-08 06:07:20,218 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 884 transitions. Word has length 172 [2025-02-08 06:07:20,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:20,219 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 884 transitions. [2025-02-08 06:07:20,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 884 transitions. [2025-02-08 06:07:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-08 06:07:20,220 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:20,221 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:20,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 06:07:20,221 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:20,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:20,221 INFO L85 PathProgramCache]: Analyzing trace with hash 912673772, now seen corresponding path program 1 times [2025-02-08 06:07:20,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:20,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249500242] [2025-02-08 06:07:20,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:20,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:20,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:07:20,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:07:20,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:20,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:20,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:20,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249500242] [2025-02-08 06:07:20,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249500242] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:20,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922701961] [2025-02-08 06:07:20,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:20,457 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:20,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 06:07:20,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-08 06:07:20,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-08 06:07:20,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:20,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:20,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 06:07:20,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:20,916 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:20,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922701961] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:20,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:20,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-02-08 06:07:20,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609096428] [2025-02-08 06:07:20,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:20,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 06:07:20,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:20,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 06:07:20,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:07:20,918 INFO L87 Difference]: Start difference. First operand 642 states and 884 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:21,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:21,504 INFO L93 Difference]: Finished difference Result 655 states and 901 transitions. [2025-02-08 06:07:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 06:07:21,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 172 [2025-02-08 06:07:21,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:21,506 INFO L225 Difference]: With dead ends: 655 [2025-02-08 06:07:21,506 INFO L226 Difference]: Without dead ends: 655 [2025-02-08 06:07:21,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:07:21,507 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 17 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:21,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2228 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 06:07:21,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2025-02-08 06:07:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 647. [2025-02-08 06:07:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 641 states have (on average 1.3790951638065523) internal successors, (884), 642 states have internal predecessors, (884), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 890 transitions. [2025-02-08 06:07:21,518 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 890 transitions. Word has length 172 [2025-02-08 06:07:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:21,519 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 890 transitions. [2025-02-08 06:07:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 890 transitions. [2025-02-08 06:07:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 06:07:21,521 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:21,521 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:21,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 06:07:21,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:21,726 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:21,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:21,727 INFO L85 PathProgramCache]: Analyzing trace with hash -936837044, now seen corresponding path program 1 times [2025-02-08 06:07:21,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:21,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891585733] [2025-02-08 06:07:21,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:21,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:07:21,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:07:21,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:21,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 06:07:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891585733] [2025-02-08 06:07:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891585733] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:22,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 06:07:22,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588006532] [2025-02-08 06:07:22,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:22,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:07:22,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:22,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:07:22,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:07:22,160 INFO L87 Difference]: Start difference. First operand 647 states and 890 transitions. Second operand has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:22,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:22,760 INFO L93 Difference]: Finished difference Result 656 states and 902 transitions. [2025-02-08 06:07:22,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:07:22,760 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173 [2025-02-08 06:07:22,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:22,762 INFO L225 Difference]: With dead ends: 656 [2025-02-08 06:07:22,762 INFO L226 Difference]: Without dead ends: 656 [2025-02-08 06:07:22,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:07:22,763 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 23 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:22,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2934 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 06:07:22,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2025-02-08 06:07:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 650. [2025-02-08 06:07:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 644 states have (on average 1.3773291925465838) internal successors, (887), 645 states have internal predecessors, (887), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 893 transitions. [2025-02-08 06:07:22,770 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 893 transitions. Word has length 173 [2025-02-08 06:07:22,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:22,771 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 893 transitions. [2025-02-08 06:07:22,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 893 transitions. [2025-02-08 06:07:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 06:07:22,772 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:22,772 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:22,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 06:07:22,773 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:22,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1333761915, now seen corresponding path program 1 times [2025-02-08 06:07:22,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:22,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299894237] [2025-02-08 06:07:22,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:22,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:07:22,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:07:22,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:22,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:22,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:22,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299894237] [2025-02-08 06:07:22,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299894237] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:22,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079094834] [2025-02-08 06:07:22,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:22,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:22,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:22,979 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:22,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 06:07:23,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 06:07:23,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 06:07:23,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:23,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:23,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 06:07:23,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:23,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:23,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079094834] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:23,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:23,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:07:23,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528093952] [2025-02-08 06:07:23,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:23,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:23,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:23,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:23,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:23,561 INFO L87 Difference]: Start difference. First operand 650 states and 893 transitions. Second operand has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:24,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:24,005 INFO L93 Difference]: Finished difference Result 664 states and 911 transitions. [2025-02-08 06:07:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:24,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173 [2025-02-08 06:07:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:24,008 INFO L225 Difference]: With dead ends: 664 [2025-02-08 06:07:24,008 INFO L226 Difference]: Without dead ends: 664 [2025-02-08 06:07:24,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:24,008 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 12 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:24,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2165 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:07:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-02-08 06:07:24,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 650. [2025-02-08 06:07:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 644 states have (on average 1.3773291925465838) internal successors, (887), 645 states have internal predecessors, (887), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 893 transitions. [2025-02-08 06:07:24,019 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 893 transitions. Word has length 173 [2025-02-08 06:07:24,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:24,019 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 893 transitions. [2025-02-08 06:07:24,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 893 transitions. [2025-02-08 06:07:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 06:07:24,021 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:24,021 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:24,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:24,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:24,223 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:24,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash -689058316, now seen corresponding path program 1 times [2025-02-08 06:07:24,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:24,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107219250] [2025-02-08 06:07:24,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:24,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:24,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:07:24,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:07:24,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:24,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:24,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:24,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107219250] [2025-02-08 06:07:24,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107219250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:24,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:24,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 06:07:24,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297829207] [2025-02-08 06:07:24,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:24,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 06:07:24,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:24,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 06:07:24,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:24,536 INFO L87 Difference]: Start difference. First operand 650 states and 893 transitions. Second operand has 9 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:24,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:24,922 INFO L93 Difference]: Finished difference Result 676 states and 925 transitions. [2025-02-08 06:07:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 06:07:24,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174 [2025-02-08 06:07:24,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:24,924 INFO L225 Difference]: With dead ends: 676 [2025-02-08 06:07:24,924 INFO L226 Difference]: Without dead ends: 676 [2025-02-08 06:07:24,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:24,925 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 20 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:24,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2298 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:07:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2025-02-08 06:07:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 664. [2025-02-08 06:07:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 658 states have (on average 1.3753799392097263) internal successors, (905), 659 states have internal predecessors, (905), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 911 transitions. [2025-02-08 06:07:24,932 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 911 transitions. Word has length 174 [2025-02-08 06:07:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:24,932 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 911 transitions. [2025-02-08 06:07:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 911 transitions. [2025-02-08 06:07:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 06:07:24,933 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:24,934 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:24,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-08 06:07:24,934 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:24,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:24,934 INFO L85 PathProgramCache]: Analyzing trace with hash -260656107, now seen corresponding path program 1 times [2025-02-08 06:07:24,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:24,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148909184] [2025-02-08 06:07:24,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:24,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:24,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:07:25,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:07:25,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:25,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:25,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:25,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148909184] [2025-02-08 06:07:25,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148909184] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:25,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668122896] [2025-02-08 06:07:25,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:25,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:25,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:25,213 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:25,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 06:07:25,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 06:07:25,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 06:07:25,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:25,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:25,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 06:07:25,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:25,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:25,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668122896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:25,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:25,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:07:25,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929269903] [2025-02-08 06:07:25,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:25,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:25,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:25,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:25,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:25,716 INFO L87 Difference]: Start difference. First operand 664 states and 911 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:26,137 INFO L93 Difference]: Finished difference Result 688 states and 947 transitions. [2025-02-08 06:07:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174 [2025-02-08 06:07:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:26,139 INFO L225 Difference]: With dead ends: 688 [2025-02-08 06:07:26,139 INFO L226 Difference]: Without dead ends: 688 [2025-02-08 06:07:26,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:26,141 INFO L435 NwaCegarLoop]: 448 mSDtfsCounter, 17 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:26,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2188 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 06:07:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2025-02-08 06:07:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 678. [2025-02-08 06:07:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 672 states have (on average 1.3764880952380953) internal successors, (925), 673 states have internal predecessors, (925), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 931 transitions. [2025-02-08 06:07:26,151 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 931 transitions. Word has length 174 [2025-02-08 06:07:26,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:26,152 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 931 transitions. [2025-02-08 06:07:26,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 931 transitions. [2025-02-08 06:07:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 06:07:26,153 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:26,153 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:26,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 06:07:26,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:26,354 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:26,355 INFO L85 PathProgramCache]: Analyzing trace with hash -105295677, now seen corresponding path program 1 times [2025-02-08 06:07:26,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:26,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438461061] [2025-02-08 06:07:26,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:26,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 06:07:26,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 06:07:26,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:26,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:26,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:26,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438461061] [2025-02-08 06:07:26,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438461061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:26,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 06:07:26,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 06:07:26,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364513752] [2025-02-08 06:07:26,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:26,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:07:26,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:26,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:07:26,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:07:26,791 INFO L87 Difference]: Start difference. First operand 678 states and 931 transitions. Second operand has 10 states, 10 states have (on average 16.8) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:27,476 INFO L93 Difference]: Finished difference Result 696 states and 955 transitions. [2025-02-08 06:07:27,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:07:27,476 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 175 [2025-02-08 06:07:27,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:27,479 INFO L225 Difference]: With dead ends: 696 [2025-02-08 06:07:27,479 INFO L226 Difference]: Without dead ends: 696 [2025-02-08 06:07:27,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:07:27,479 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 26 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2590 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:27,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2590 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 06:07:27,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2025-02-08 06:07:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 684. [2025-02-08 06:07:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 678 states have (on average 1.373156342182891) internal successors, (931), 679 states have internal predecessors, (931), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 937 transitions. [2025-02-08 06:07:27,488 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 937 transitions. Word has length 175 [2025-02-08 06:07:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:27,488 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 937 transitions. [2025-02-08 06:07:27,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 937 transitions. [2025-02-08 06:07:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 06:07:27,490 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:27,490 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:27,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 06:07:27,490 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:27,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash -267906210, now seen corresponding path program 1 times [2025-02-08 06:07:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411181113] [2025-02-08 06:07:27,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:27,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:27,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 06:07:27,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 06:07:27,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:27,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:27,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:27,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411181113] [2025-02-08 06:07:27,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411181113] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:27,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842017132] [2025-02-08 06:07:27,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:27,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:27,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:27,839 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:27,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 06:07:28,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 06:07:29,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 06:07:29,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:29,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:29,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 06:07:29,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:29,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:29,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842017132] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:29,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:29,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-08 06:07:29,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661316756] [2025-02-08 06:07:29,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:29,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:29,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:29,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:29,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:29,553 INFO L87 Difference]: Start difference. First operand 684 states and 937 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:30,056 INFO L93 Difference]: Finished difference Result 694 states and 949 transitions. [2025-02-08 06:07:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:30,060 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 175 [2025-02-08 06:07:30,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:30,062 INFO L225 Difference]: With dead ends: 694 [2025-02-08 06:07:30,062 INFO L226 Difference]: Without dead ends: 694 [2025-02-08 06:07:30,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 06:07:30,062 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 10 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:30,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2165 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 06:07:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2025-02-08 06:07:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2025-02-08 06:07:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 678 states have (on average 1.373156342182891) internal successors, (931), 679 states have internal predecessors, (931), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 937 transitions. [2025-02-08 06:07:30,069 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 937 transitions. Word has length 175 [2025-02-08 06:07:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:30,069 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 937 transitions. [2025-02-08 06:07:30,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 937 transitions. [2025-02-08 06:07:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 06:07:30,070 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:30,070 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:30,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 06:07:30,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 06:07:30,272 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:30,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 290270914, now seen corresponding path program 1 times [2025-02-08 06:07:30,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:30,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118210638] [2025-02-08 06:07:30,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:30,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 06:07:30,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 06:07:30,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:30,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:30,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:30,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118210638] [2025-02-08 06:07:30,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118210638] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:30,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883276491] [2025-02-08 06:07:30,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:30,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:30,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:30,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:30,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 06:07:30,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 06:07:31,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 06:07:31,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:31,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:31,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 06:07:31,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 06:07:31,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:31,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883276491] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:31,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:31,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-08 06:07:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917500930] [2025-02-08 06:07:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:31,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 06:07:31,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:31,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 06:07:31,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-02-08 06:07:31,682 INFO L87 Difference]: Start difference. First operand 684 states and 937 transitions. Second operand has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:32,904 INFO L93 Difference]: Finished difference Result 694 states and 947 transitions. [2025-02-08 06:07:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 06:07:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 175 [2025-02-08 06:07:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:32,906 INFO L225 Difference]: With dead ends: 694 [2025-02-08 06:07:32,906 INFO L226 Difference]: Without dead ends: 694 [2025-02-08 06:07:32,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-02-08 06:07:32,907 INFO L435 NwaCegarLoop]: 455 mSDtfsCounter, 11 mSDsluCounter, 3417 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:32,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3872 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 06:07:32,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2025-02-08 06:07:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 690. [2025-02-08 06:07:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 684 states have (on average 1.3698830409356726) internal successors, (937), 685 states have internal predecessors, (937), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 06:07:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 943 transitions. [2025-02-08 06:07:32,919 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 943 transitions. Word has length 175 [2025-02-08 06:07:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:32,919 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 943 transitions. [2025-02-08 06:07:32,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 943 transitions. [2025-02-08 06:07:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-08 06:07:32,921 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:32,922 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:32,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:33,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 06:07:33,122 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:33,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:33,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1749202662, now seen corresponding path program 1 times [2025-02-08 06:07:33,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:33,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263075213] [2025-02-08 06:07:33,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:33,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:33,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 06:07:33,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 06:07:33,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:33,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:33,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263075213] [2025-02-08 06:07:33,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263075213] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424722409] [2025-02-08 06:07:33,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:33,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:33,349 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:33,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 06:07:33,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 06:07:33,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 06:07:33,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:33,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:33,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 06:07:33,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 06:07:33,810 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:33,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424722409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:33,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:33,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-08 06:07:33,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876091898] [2025-02-08 06:07:33,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:33,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 06:07:33,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:33,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 06:07:33,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:07:33,813 INFO L87 Difference]: Start difference. First operand 690 states and 943 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 06:07:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:33,882 INFO L93 Difference]: Finished difference Result 693 states and 947 transitions. [2025-02-08 06:07:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 06:07:33,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 176 [2025-02-08 06:07:33,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:33,886 INFO L225 Difference]: With dead ends: 693 [2025-02-08 06:07:33,886 INFO L226 Difference]: Without dead ends: 693 [2025-02-08 06:07:33,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 06:07:33,886 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 0 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:33,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1391 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 06:07:33,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-02-08 06:07:33,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2025-02-08 06:07:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 686 states have (on average 1.370262390670554) internal successors, (940), 688 states have internal predecessors, (940), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:07:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 947 transitions. [2025-02-08 06:07:33,894 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 947 transitions. Word has length 176 [2025-02-08 06:07:33,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:33,894 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 947 transitions. [2025-02-08 06:07:33,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 06:07:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 947 transitions. [2025-02-08 06:07:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 06:07:33,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:33,896 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:33,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 06:07:34,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:34,097 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:34,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1331038238, now seen corresponding path program 1 times [2025-02-08 06:07:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:34,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296410327] [2025-02-08 06:07:34,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:34,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:34,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:34,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:34,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 06:07:38,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:38,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296410327] [2025-02-08 06:07:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296410327] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:38,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723511295] [2025-02-08 06:07:38,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:38,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:38,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:38,422 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:38,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 06:07:38,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:38,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:38,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:38,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:38,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 06:07:38,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 06:07:39,315 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:39,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723511295] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:39,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:39,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 28 [2025-02-08 06:07:39,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106002145] [2025-02-08 06:07:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:39,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 06:07:39,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:39,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 06:07:39,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2025-02-08 06:07:39,317 INFO L87 Difference]: Start difference. First operand 693 states and 947 transitions. Second operand has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:40,990 INFO L93 Difference]: Finished difference Result 705 states and 963 transitions. [2025-02-08 06:07:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 06:07:40,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 178 [2025-02-08 06:07:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:40,992 INFO L225 Difference]: With dead ends: 705 [2025-02-08 06:07:40,992 INFO L226 Difference]: Without dead ends: 705 [2025-02-08 06:07:40,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2025-02-08 06:07:40,993 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 17 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:40,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3252 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 06:07:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2025-02-08 06:07:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 700. [2025-02-08 06:07:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 693 states have (on average 1.3694083694083694) internal successors, (949), 695 states have internal predecessors, (949), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:07:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 956 transitions. [2025-02-08 06:07:40,999 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 956 transitions. Word has length 178 [2025-02-08 06:07:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:41,000 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 956 transitions. [2025-02-08 06:07:41,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 956 transitions. [2025-02-08 06:07:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 06:07:41,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:41,001 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:41,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 06:07:41,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:41,202 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:41,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2095958338, now seen corresponding path program 1 times [2025-02-08 06:07:41,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:41,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294792073] [2025-02-08 06:07:41,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:41,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:41,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:41,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:41,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:41,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 06:07:41,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:41,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294792073] [2025-02-08 06:07:41,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294792073] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:41,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392063824] [2025-02-08 06:07:41,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:41,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:41,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:41,453 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:41,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 06:07:41,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:41,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:41,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:41,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:41,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 06:07:41,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 06:07:41,913 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 06:07:41,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392063824] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 06:07:41,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 06:07:41,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-02-08 06:07:41,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344607883] [2025-02-08 06:07:41,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 06:07:41,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 06:07:41,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 06:07:41,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 06:07:41,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 06:07:41,914 INFO L87 Difference]: Start difference. First operand 700 states and 956 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 06:07:42,245 INFO L93 Difference]: Finished difference Result 716 states and 978 transitions. [2025-02-08 06:07:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 06:07:42,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 178 [2025-02-08 06:07:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 06:07:42,247 INFO L225 Difference]: With dead ends: 716 [2025-02-08 06:07:42,247 INFO L226 Difference]: Without dead ends: 716 [2025-02-08 06:07:42,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 06:07:42,247 INFO L435 NwaCegarLoop]: 446 mSDtfsCounter, 39 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 06:07:42,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2237 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 06:07:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2025-02-08 06:07:42,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 707. [2025-02-08 06:07:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 700 states have (on average 1.37) internal successors, (959), 702 states have internal predecessors, (959), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 06:07:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 966 transitions. [2025-02-08 06:07:42,253 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 966 transitions. Word has length 178 [2025-02-08 06:07:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 06:07:42,253 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 966 transitions. [2025-02-08 06:07:42,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 06:07:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 966 transitions. [2025-02-08 06:07:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 06:07:42,254 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 06:07:42,254 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 06:07:42,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 06:07:42,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 06:07:42,455 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-08 06:07:42,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 06:07:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash -651088770, now seen corresponding path program 1 times [2025-02-08 06:07:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 06:07:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491270048] [2025-02-08 06:07:42,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 06:07:42,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:42,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:42,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:42,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 06:07:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 06:07:42,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491270048] [2025-02-08 06:07:42,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491270048] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 06:07:42,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692099812] [2025-02-08 06:07:42,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 06:07:42,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 06:07:42,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 06:07:42,772 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 06:07:42,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 06:07:43,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 06:07:43,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 06:07:43,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 06:07:43,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 06:07:43,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-02-08 06:07:43,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 06:07:43,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-02-08 06:07:43,437 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-08 06:07:43,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-02-08 06:07:43,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 06:07:43,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-08 06:07:43,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2025-02-08 06:07:43,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-02-08 06:07:43,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2025-02-08 06:07:43,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2025-02-08 06:07:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver