./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:08:35,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:08:36,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-17 00:08:36,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:08:36,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:08:36,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:08:36,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:08:36,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:08:36,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:08:36,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:08:36,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:08:36,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:08:36,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:08:36,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:08:36,047 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:08:36,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:08:36,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:08:36,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:08:36,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:08:36,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:08:36,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:08:36,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:08:36,050 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:08:36,050 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:08:36,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:08:36,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:08:36,051 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:08:36,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:08:36,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:08:36,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:08:36,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:08:36,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:08:36,062 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:08:36,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:08:36,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:08:36,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:08:36,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:08:36,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:08:36,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:08:36,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:08:36,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:08:36,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:08:36,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:08:36,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:08:36,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:08:36,069 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-17 00:08:36,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:08:36,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:08:36,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:08:36,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:08:36,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:08:36,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2024-11-17 00:08:37,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:08:38,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:08:38,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2024-11-17 00:08:38,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a42072e7/4183ce8162b346a1b12280906a0e1f30/FLAG6752582a9 [2024-11-17 00:08:38,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a42072e7/4183ce8162b346a1b12280906a0e1f30 [2024-11-17 00:08:38,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:08:38,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:08:38,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:08:38,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:08:38,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:08:38,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:08:38" (1/1) ... [2024-11-17 00:08:38,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52379989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:38, skipping insertion in model container [2024-11-17 00:08:38,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:08:38" (1/1) ... [2024-11-17 00:08:38,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:08:38,692 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,730 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,734 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,737 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,743 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,792 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,798 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,800 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,808 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,817 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:08:38,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:08:38,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:08:38,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:08:39,012 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:08:39,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39 WrapperNode [2024-11-17 00:08:39,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:08:39,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:08:39,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:08:39,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:08:39,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,123 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1517 [2024-11-17 00:08:39,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:08:39,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:08:39,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:08:39,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:08:39,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,262 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-17 00:08:39,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:08:39,349 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:08:39,349 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:08:39,349 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:08:39,350 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (1/1) ... [2024-11-17 00:08:39,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:08:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:08:39,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 00:08:39,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 00:08:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 00:08:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 00:08:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 00:08:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:08:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 00:08:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:08:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:08:39,689 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:08:39,691 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:08:41,269 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-17 00:08:41,269 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:08:41,389 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:08:41,392 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 00:08:41,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:08:41 BoogieIcfgContainer [2024-11-17 00:08:41,395 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:08:41,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:08:41,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:08:41,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:08:41,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:08:38" (1/3) ... [2024-11-17 00:08:41,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff6e084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:08:41, skipping insertion in model container [2024-11-17 00:08:41,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:08:39" (2/3) ... [2024-11-17 00:08:41,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff6e084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:08:41, skipping insertion in model container [2024-11-17 00:08:41,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:08:41" (3/3) ... [2024-11-17 00:08:41,406 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-1.i [2024-11-17 00:08:41,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:08:41,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 00:08:41,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:08:41,529 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;@7b4a7839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:08:41,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 00:08:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 404 states have (on average 1.603960396039604) internal successors, (648), 406 states have internal predecessors, (648), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 00:08:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:08:41,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:41,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:08:41,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:41,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash 715672427, now seen corresponding path program 1 times [2024-11-17 00:08:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114542558] [2024-11-17 00:08:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:41,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:08:41,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:41,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114542558] [2024-11-17 00:08:41,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114542558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:41,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:41,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:08:41,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658752786] [2024-11-17 00:08:41,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:41,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:08:41,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:41,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:08:41,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:08:41,774 INFO L87 Difference]: Start difference. First operand has 414 states, 404 states have (on average 1.603960396039604) internal successors, (648), 406 states have internal predecessors, (648), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:08:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:42,070 INFO L93 Difference]: Finished difference Result 428 states and 608 transitions. [2024-11-17 00:08:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:08:42,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 00:08:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:42,089 INFO L225 Difference]: With dead ends: 428 [2024-11-17 00:08:42,090 INFO L226 Difference]: Without dead ends: 422 [2024-11-17 00:08:42,092 INFO L431 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 [2024-11-17 00:08:42,097 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 17 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:42,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1073 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:08:42,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-17 00:08:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-17 00:08:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 410 states have (on average 1.4292682926829268) internal successors, (586), 411 states have internal predecessors, (586), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 00:08:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2024-11-17 00:08:42,178 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 5 [2024-11-17 00:08:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:42,179 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2024-11-17 00:08:42,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:08:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2024-11-17 00:08:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 00:08:42,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:42,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:42,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 00:08:42,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:42,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1191825280, now seen corresponding path program 1 times [2024-11-17 00:08:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:42,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925960554] [2024-11-17 00:08:42,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:08:42,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925960554] [2024-11-17 00:08:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925960554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:42,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:42,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:08:42,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196355473] [2024-11-17 00:08:42,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:42,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:08:42,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:08:42,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:42,356 INFO L87 Difference]: Start difference. First operand 419 states and 598 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:08:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:42,890 INFO L93 Difference]: Finished difference Result 737 states and 1066 transitions. [2024-11-17 00:08:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:08:42,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-17 00:08:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:42,897 INFO L225 Difference]: With dead ends: 737 [2024-11-17 00:08:42,899 INFO L226 Difference]: Without dead ends: 734 [2024-11-17 00:08:42,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:42,901 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 469 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:42,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1549 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:08:42,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-17 00:08:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-17 00:08:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.4473684210526316) internal successors, (1045), 723 states have internal predecessors, (1045), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1063 transitions. [2024-11-17 00:08:42,942 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1063 transitions. Word has length 13 [2024-11-17 00:08:42,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:42,943 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1063 transitions. [2024-11-17 00:08:42,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:08:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1063 transitions. [2024-11-17 00:08:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-17 00:08:42,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:42,950 INFO L215 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] [2024-11-17 00:08:42,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 00:08:42,951 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:42,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1871507067, now seen corresponding path program 1 times [2024-11-17 00:08:42,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:42,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375346130] [2024-11-17 00:08:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 00:08:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:43,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-17 00:08:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:08:43,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375346130] [2024-11-17 00:08:43,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375346130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:43,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:43,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:08:43,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788805337] [2024-11-17 00:08:43,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:43,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:08:43,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:08:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:08:43,582 INFO L87 Difference]: Start difference. First operand 734 states and 1063 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 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) [2024-11-17 00:08:44,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:44,182 INFO L93 Difference]: Finished difference Result 743 states and 1067 transitions. [2024-11-17 00:08:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:08:44,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 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 [2024-11-17 00:08:44,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:44,188 INFO L225 Difference]: With dead ends: 743 [2024-11-17 00:08:44,189 INFO L226 Difference]: Without dead ends: 743 [2024-11-17 00:08:44,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:08:44,190 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 108 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:44,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1868 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:08:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-17 00:08:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 734. [2024-11-17 00:08:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.42797783933518) internal successors, (1031), 723 states have internal predecessors, (1031), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1049 transitions. [2024-11-17 00:08:44,225 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1049 transitions. Word has length 175 [2024-11-17 00:08:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:44,225 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1049 transitions. [2024-11-17 00:08:44,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 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) [2024-11-17 00:08:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1049 transitions. [2024-11-17 00:08:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-17 00:08:44,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:44,234 INFO L215 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] [2024-11-17 00:08:44,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 00:08:44,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:44,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:44,234 INFO L85 PathProgramCache]: Analyzing trace with hash -811027948, now seen corresponding path program 1 times [2024-11-17 00:08:44,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:44,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153759988] [2024-11-17 00:08:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:44,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 00:08:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:44,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-17 00:08:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:08:44,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:44,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153759988] [2024-11-17 00:08:44,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153759988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:44,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:44,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:08:44,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236005168] [2024-11-17 00:08:44,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:44,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:08:44,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:08:44,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:44,514 INFO L87 Difference]: Start difference. First operand 734 states and 1049 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 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) [2024-11-17 00:08:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:44,991 INFO L93 Difference]: Finished difference Result 735 states and 1058 transitions. [2024-11-17 00:08:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:08:44,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 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 [2024-11-17 00:08:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:44,995 INFO L225 Difference]: With dead ends: 735 [2024-11-17 00:08:44,996 INFO L226 Difference]: Without dead ends: 735 [2024-11-17 00:08:44,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:44,997 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 137 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:44,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1492 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:08:44,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-17 00:08:45,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-17 00:08:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 720 states have (on average 1.4277777777777778) internal successors, (1028), 721 states have internal predecessors, (1028), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1046 transitions. [2024-11-17 00:08:45,017 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1046 transitions. Word has length 175 [2024-11-17 00:08:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:45,018 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1046 transitions. [2024-11-17 00:08:45,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 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) [2024-11-17 00:08:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1046 transitions. [2024-11-17 00:08:45,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-17 00:08:45,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:45,022 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:45,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 00:08:45,023 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:45,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:45,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1371109113, now seen corresponding path program 1 times [2024-11-17 00:08:45,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:45,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588018071] [2024-11-17 00:08:45,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:08:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:08:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:08:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:08:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:45,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:45,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588018071] [2024-11-17 00:08:45,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588018071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:45,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:45,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:08:45,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819500937] [2024-11-17 00:08:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:45,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:08:45,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:08:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:08:45,418 INFO L87 Difference]: Start difference. First operand 732 states and 1046 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:46,822 INFO L93 Difference]: Finished difference Result 741 states and 1050 transitions. [2024-11-17 00:08:46,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:08:46,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-17 00:08:46,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:46,830 INFO L225 Difference]: With dead ends: 741 [2024-11-17 00:08:46,831 INFO L226 Difference]: Without dead ends: 741 [2024-11-17 00:08:46,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:08:46,834 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 108 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:46,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1847 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 00:08:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-17 00:08:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 732. [2024-11-17 00:08:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 720 states have (on average 1.4083333333333334) internal successors, (1014), 721 states have internal predecessors, (1014), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1032 transitions. [2024-11-17 00:08:46,863 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1032 transitions. Word has length 190 [2024-11-17 00:08:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:46,867 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1032 transitions. [2024-11-17 00:08:46,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:08:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1032 transitions. [2024-11-17 00:08:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-17 00:08:46,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:46,873 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:46,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 00:08:46,873 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:46,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:46,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1622398062, now seen corresponding path program 1 times [2024-11-17 00:08:46,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:46,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090624587] [2024-11-17 00:08:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:46,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:08:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:08:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:08:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:47,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:08:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:47,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:47,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090624587] [2024-11-17 00:08:47,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090624587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:47,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:47,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:08:47,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959192253] [2024-11-17 00:08:47,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:47,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:08:47,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:08:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:08:47,288 INFO L87 Difference]: Start difference. First operand 732 states and 1032 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:48,211 INFO L93 Difference]: Finished difference Result 744 states and 1053 transitions. [2024-11-17 00:08:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:08:48,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-17 00:08:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:48,221 INFO L225 Difference]: With dead ends: 744 [2024-11-17 00:08:48,221 INFO L226 Difference]: Without dead ends: 744 [2024-11-17 00:08:48,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:08:48,222 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 920 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:48,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2086 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:08:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-17 00:08:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 734. [2024-11-17 00:08:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.4058171745152355) internal successors, (1015), 723 states have internal predecessors, (1015), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2024-11-17 00:08:48,242 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 190 [2024-11-17 00:08:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:48,243 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2024-11-17 00:08:48,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2024-11-17 00:08:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:08:48,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:48,245 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:48,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 00:08:48,246 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:48,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:48,247 INFO L85 PathProgramCache]: Analyzing trace with hash 15422295, now seen corresponding path program 1 times [2024-11-17 00:08:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591330771] [2024-11-17 00:08:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:08:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:08:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:08:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:08:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:08:49,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:49,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591330771] [2024-11-17 00:08:49,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591330771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:08:49,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898467723] [2024-11-17 00:08:49,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:08:49,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:08:49,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:08:49,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 00:08:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:49,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 00:08:49,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:49,900 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 [2024-11-17 00:08:50,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:08:50,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-11-17 00:08:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:50,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:08:50,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898467723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:50,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:08:50,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 00:08:50,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553697509] [2024-11-17 00:08:50,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:50,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 00:08:50,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:50,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 00:08:50,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:08:50,872 INFO L87 Difference]: Start difference. First operand 734 states and 1033 transitions. Second operand has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:53,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:08:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:53,875 INFO L93 Difference]: Finished difference Result 840 states and 1171 transitions. [2024-11-17 00:08:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 00:08:53,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:08:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:53,880 INFO L225 Difference]: With dead ends: 840 [2024-11-17 00:08:53,880 INFO L226 Difference]: Without dead ends: 840 [2024-11-17 00:08:53,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-17 00:08:53,882 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 829 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:53,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2865 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-17 00:08:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-17 00:08:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 765. [2024-11-17 00:08:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 753 states have (on average 1.3984063745019921) internal successors, (1053), 754 states have internal predecessors, (1053), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1071 transitions. [2024-11-17 00:08:53,900 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1071 transitions. Word has length 192 [2024-11-17 00:08:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:53,901 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1071 transitions. [2024-11-17 00:08:53,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1071 transitions. [2024-11-17 00:08:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:08:53,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:53,904 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:53,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 00:08:54,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:08:54,108 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:54,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:54,108 INFO L85 PathProgramCache]: Analyzing trace with hash 264700696, now seen corresponding path program 1 times [2024-11-17 00:08:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:54,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982302310] [2024-11-17 00:08:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:08:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:08:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:08:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:08:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:54,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:54,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982302310] [2024-11-17 00:08:54,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982302310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:54,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:54,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:08:54,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154834696] [2024-11-17 00:08:54,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:54,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:08:54,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:54,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:08:54,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:54,344 INFO L87 Difference]: Start difference. First operand 765 states and 1071 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:54,779 INFO L93 Difference]: Finished difference Result 784 states and 1097 transitions. [2024-11-17 00:08:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:08:54,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:08:54,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:54,783 INFO L225 Difference]: With dead ends: 784 [2024-11-17 00:08:54,783 INFO L226 Difference]: Without dead ends: 784 [2024-11-17 00:08:54,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:08:54,784 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 5 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:54,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1451 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:08:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-17 00:08:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2024-11-17 00:08:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 767 states have (on average 1.3885267275097783) internal successors, (1065), 768 states have internal predecessors, (1065), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1083 transitions. [2024-11-17 00:08:54,801 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1083 transitions. Word has length 192 [2024-11-17 00:08:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:54,801 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1083 transitions. [2024-11-17 00:08:54,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1083 transitions. [2024-11-17 00:08:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:08:54,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:54,804 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:54,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 00:08:54,804 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:54,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash -696924519, now seen corresponding path program 1 times [2024-11-17 00:08:54,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:54,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351483876] [2024-11-17 00:08:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:54,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:08:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:08:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:55,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:08:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:08:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:55,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:55,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351483876] [2024-11-17 00:08:55,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351483876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:55,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:55,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:08:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62761247] [2024-11-17 00:08:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:55,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:08:55,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:55,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:08:55,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:08:55,056 INFO L87 Difference]: Start difference. First operand 779 states and 1083 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:55,535 INFO L93 Difference]: Finished difference Result 641 states and 884 transitions. [2024-11-17 00:08:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:08:55,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:08:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:55,539 INFO L225 Difference]: With dead ends: 641 [2024-11-17 00:08:55,539 INFO L226 Difference]: Without dead ends: 641 [2024-11-17 00:08:55,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:08:55,540 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 12 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:55,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1652 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:08:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-17 00:08:55,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 638. [2024-11-17 00:08:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 626 states have (on average 1.3642172523961662) internal successors, (854), 627 states have internal predecessors, (854), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2024-11-17 00:08:55,556 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 192 [2024-11-17 00:08:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:55,557 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2024-11-17 00:08:55,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2024-11-17 00:08:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 00:08:55,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:55,560 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:55,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 00:08:55,560 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:55,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash -980281356, now seen corresponding path program 1 times [2024-11-17 00:08:55,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:55,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548287805] [2024-11-17 00:08:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:55,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 00:08:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 00:08:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-17 00:08:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 00:08:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:08:56,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548287805] [2024-11-17 00:08:56,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548287805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:08:56,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037777461] [2024-11-17 00:08:56,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:08:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:08:56,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:08:56,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 00:08:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:56,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 00:08:56,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:08:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:57,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:08:57,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037777461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:57,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:08:57,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 00:08:57,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562571002] [2024-11-17 00:08:57,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:57,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:08:57,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:57,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:08:57,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:08:57,025 INFO L87 Difference]: Start difference. First operand 638 states and 872 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:57,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:57,203 INFO L93 Difference]: Finished difference Result 638 states and 870 transitions. [2024-11-17 00:08:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:08:57,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 193 [2024-11-17 00:08:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:57,206 INFO L225 Difference]: With dead ends: 638 [2024-11-17 00:08:57,206 INFO L226 Difference]: Without dead ends: 638 [2024-11-17 00:08:57,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:08:57,207 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 13 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:57,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1231 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:08:57,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-17 00:08:57,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-17 00:08:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 626 states have (on average 1.3610223642172523) internal successors, (852), 627 states have internal predecessors, (852), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 870 transitions. [2024-11-17 00:08:57,223 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 870 transitions. Word has length 193 [2024-11-17 00:08:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:57,223 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 870 transitions. [2024-11-17 00:08:57,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 870 transitions. [2024-11-17 00:08:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 00:08:57,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:57,226 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:57,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 00:08:57,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 00:08:57,427 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:57,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:57,428 INFO L85 PathProgramCache]: Analyzing trace with hash 510809428, now seen corresponding path program 1 times [2024-11-17 00:08:57,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:57,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005924847] [2024-11-17 00:08:57,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:57,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 00:08:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 00:08:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 00:08:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 00:08:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:58,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:58,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005924847] [2024-11-17 00:08:58,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005924847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:58,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:58,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 00:08:58,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961278857] [2024-11-17 00:08:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:58,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:08:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:58,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:08:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:08:58,007 INFO L87 Difference]: Start difference. First operand 638 states and 870 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:58,674 INFO L93 Difference]: Finished difference Result 647 states and 888 transitions. [2024-11-17 00:08:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 00:08:58,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 194 [2024-11-17 00:08:58,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:58,677 INFO L225 Difference]: With dead ends: 647 [2024-11-17 00:08:58,677 INFO L226 Difference]: Without dead ends: 647 [2024-11-17 00:08:58,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:08:58,678 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 7 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:58,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1962 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:08:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-17 00:08:58,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 644. [2024-11-17 00:08:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 632 states have (on average 1.3575949367088607) internal successors, (858), 633 states have internal predecessors, (858), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 876 transitions. [2024-11-17 00:08:58,693 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 876 transitions. Word has length 194 [2024-11-17 00:08:58,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:58,694 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 876 transitions. [2024-11-17 00:08:58,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 876 transitions. [2024-11-17 00:08:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 00:08:58,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:58,695 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:58,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 00:08:58,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:58,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash -116934224, now seen corresponding path program 1 times [2024-11-17 00:08:58,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:58,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005397983] [2024-11-17 00:08:58,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:58,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:08:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:59,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:08:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 00:08:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 00:08:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 00:08:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:08:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:08:59,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:08:59,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005397983] [2024-11-17 00:08:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005397983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:08:59,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:08:59,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 00:08:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937274749] [2024-11-17 00:08:59,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:08:59,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:08:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:08:59,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:08:59,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:08:59,215 INFO L87 Difference]: Start difference. First operand 644 states and 876 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:08:59,905 INFO L93 Difference]: Finished difference Result 657 states and 900 transitions. [2024-11-17 00:08:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 00:08:59,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2024-11-17 00:08:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:08:59,908 INFO L225 Difference]: With dead ends: 657 [2024-11-17 00:08:59,908 INFO L226 Difference]: Without dead ends: 657 [2024-11-17 00:08:59,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:08:59,909 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 11 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2690 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:08:59,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2690 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 00:08:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-17 00:08:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 652. [2024-11-17 00:08:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 640 states have (on average 1.35625) internal successors, (868), 641 states have internal predecessors, (868), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:08:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 886 transitions. [2024-11-17 00:08:59,921 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 886 transitions. Word has length 195 [2024-11-17 00:08:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:08:59,922 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 886 transitions. [2024-11-17 00:08:59,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:08:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 886 transitions. [2024-11-17 00:08:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 00:08:59,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:08:59,924 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:08:59,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 00:08:59,924 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:08:59,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:08:59,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1160594614, now seen corresponding path program 1 times [2024-11-17 00:08:59,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:08:59,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854534301] [2024-11-17 00:08:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:08:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:00,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:09:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:00,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 00:09:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 00:09:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 00:09:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:09:00,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854534301] [2024-11-17 00:09:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854534301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:09:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746255642] [2024-11-17 00:09:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:09:00,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:09:00,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 00:09:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:01,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 00:09:01,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:09:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 00:09:01,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:09:01,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746255642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:09:01,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:09:01,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 00:09:01,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427181042] [2024-11-17 00:09:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:09:01,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:09:01,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:09:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:09:01,405 INFO L87 Difference]: Start difference. First operand 652 states and 886 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:09:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:01,585 INFO L93 Difference]: Finished difference Result 709 states and 965 transitions. [2024-11-17 00:09:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:09:01,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2024-11-17 00:09:01,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:01,589 INFO L225 Difference]: With dead ends: 709 [2024-11-17 00:09:01,590 INFO L226 Difference]: Without dead ends: 709 [2024-11-17 00:09:01,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:09:01,591 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 447 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:01,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1896 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:09:01,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-17 00:09:01,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 655. [2024-11-17 00:09:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 642 states have (on average 1.3566978193146417) internal successors, (871), 644 states have internal predecessors, (871), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 892 transitions. [2024-11-17 00:09:01,604 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 892 transitions. Word has length 195 [2024-11-17 00:09:01,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:01,605 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 892 transitions. [2024-11-17 00:09:01,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:09:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 892 transitions. [2024-11-17 00:09:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-17 00:09:01,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:01,607 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:01,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 00:09:01,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:01,808 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:01,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:01,808 INFO L85 PathProgramCache]: Analyzing trace with hash -478673994, now seen corresponding path program 1 times [2024-11-17 00:09:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:01,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676651215] [2024-11-17 00:09:01,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:09:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 00:09:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:03,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 00:09:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 00:09:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:09:03,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:03,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676651215] [2024-11-17 00:09:03,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676651215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:09:03,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228248241] [2024-11-17 00:09:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:09:03,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:09:03,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 00:09:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:04,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 00:09:04,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:09:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:09:04,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:09:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:09:04,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228248241] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:09:04,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:09:04,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-17 00:09:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757213296] [2024-11-17 00:09:04,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:09:04,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 00:09:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:04,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 00:09:04,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 00:09:04,552 INFO L87 Difference]: Start difference. First operand 655 states and 892 transitions. Second operand has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 00:09:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:05,226 INFO L93 Difference]: Finished difference Result 720 states and 984 transitions. [2024-11-17 00:09:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 00:09:05,227 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) Word has length 199 [2024-11-17 00:09:05,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:05,230 INFO L225 Difference]: With dead ends: 720 [2024-11-17 00:09:05,230 INFO L226 Difference]: Without dead ends: 720 [2024-11-17 00:09:05,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:09:05,231 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 394 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:05,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 2290 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:09:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-17 00:09:05,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 664. [2024-11-17 00:09:05,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 650 states have (on average 1.3615384615384616) internal successors, (885), 652 states have internal predecessors, (885), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 906 transitions. [2024-11-17 00:09:05,243 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 906 transitions. Word has length 199 [2024-11-17 00:09:05,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:05,244 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 906 transitions. [2024-11-17 00:09:05,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 00:09:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 906 transitions. [2024-11-17 00:09:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-17 00:09:05,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:05,246 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:05,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 00:09:05,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:05,450 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:05,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:05,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1889882294, now seen corresponding path program 2 times [2024-11-17 00:09:05,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:05,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941719948] [2024-11-17 00:09:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:09:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 00:09:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 00:09:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 00:09:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 00:09:06,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:06,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941719948] [2024-11-17 00:09:06,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941719948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:09:06,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669516134] [2024-11-17 00:09:06,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:09:06,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:06,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:09:06,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:09:06,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 00:09:08,131 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 00:09:08,132 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:09:08,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 00:09:08,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:09:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 00:09:08,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:09:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 70 refuted. 1 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 00:09:13,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669516134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:09:13,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:09:13,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 25 [2024-11-17 00:09:13,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092103410] [2024-11-17 00:09:13,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:09:13,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 00:09:13,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:13,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 00:09:13,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2024-11-17 00:09:13,350 INFO L87 Difference]: Start difference. First operand 664 states and 906 transitions. Second operand has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 00:09:14,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:14,973 INFO L93 Difference]: Finished difference Result 737 states and 1010 transitions. [2024-11-17 00:09:14,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 00:09:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 207 [2024-11-17 00:09:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:14,976 INFO L225 Difference]: With dead ends: 737 [2024-11-17 00:09:14,976 INFO L226 Difference]: Without dead ends: 731 [2024-11-17 00:09:14,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=300, Invalid=959, Unknown=1, NotChecked=0, Total=1260 [2024-11-17 00:09:14,977 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1249 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 5480 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:14,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 5480 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 00:09:14,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-17 00:09:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 673. [2024-11-17 00:09:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 659 states have (on average 1.3566009104704098) internal successors, (894), 661 states have internal predecessors, (894), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-17 00:09:14,990 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 207 [2024-11-17 00:09:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:14,991 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-17 00:09:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 00:09:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-17 00:09:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-17 00:09:14,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:14,993 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:15,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 00:09:15,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 00:09:15,198 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash -406609010, now seen corresponding path program 3 times [2024-11-17 00:09:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639322730] [2024-11-17 00:09:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:09:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 00:09:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:17,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 00:09:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-17 00:09:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-17 00:09:17,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:17,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639322730] [2024-11-17 00:09:17,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639322730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:09:17,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694088095] [2024-11-17 00:09:17,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 00:09:17,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:17,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:09:17,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:09:17,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 00:09:17,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 00:09:17,687 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:09:17,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 00:09:17,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:09:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:09:18,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:09:18,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694088095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:09:18,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:09:18,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-17 00:09:18,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179771037] [2024-11-17 00:09:18,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:09:18,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:09:18,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:09:18,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:09:18,076 INFO L87 Difference]: Start difference. First operand 673 states and 915 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:18,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:18,715 INFO L93 Difference]: Finished difference Result 683 states and 927 transitions. [2024-11-17 00:09:18,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 00:09:18,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 225 [2024-11-17 00:09:18,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:18,718 INFO L225 Difference]: With dead ends: 683 [2024-11-17 00:09:18,718 INFO L226 Difference]: Without dead ends: 683 [2024-11-17 00:09:18,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:09:18,719 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 8 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:18,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2356 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:09:18,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-17 00:09:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-17 00:09:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 659 states have (on average 1.3566009104704098) internal successors, (894), 661 states have internal predecessors, (894), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-17 00:09:18,738 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 225 [2024-11-17 00:09:18,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:18,738 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-17 00:09:18,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-17 00:09:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-17 00:09:18,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:18,740 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:18,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 00:09:18,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 00:09:18,941 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:18,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2123404347, now seen corresponding path program 1 times [2024-11-17 00:09:18,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:18,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453009984] [2024-11-17 00:09:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:18,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 00:09:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:19,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 00:09:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 00:09:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:19,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-17 00:09:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:09:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:19,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453009984] [2024-11-17 00:09:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453009984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:09:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:09:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 00:09:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159044751] [2024-11-17 00:09:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:09:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 00:09:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:19,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 00:09:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 00:09:19,711 INFO L87 Difference]: Start difference. First operand 673 states and 915 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:20,608 INFO L93 Difference]: Finished difference Result 695 states and 943 transitions. [2024-11-17 00:09:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 00:09:20,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 226 [2024-11-17 00:09:20,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:20,611 INFO L225 Difference]: With dead ends: 695 [2024-11-17 00:09:20,611 INFO L226 Difference]: Without dead ends: 695 [2024-11-17 00:09:20,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 00:09:20,612 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 19 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:20,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:09:20,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-17 00:09:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2024-11-17 00:09:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 673 states have (on average 1.3551263001485885) internal successors, (912), 675 states have internal predecessors, (912), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 933 transitions. [2024-11-17 00:09:20,625 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 933 transitions. Word has length 226 [2024-11-17 00:09:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:20,626 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 933 transitions. [2024-11-17 00:09:20,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 933 transitions. [2024-11-17 00:09:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-17 00:09:20,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:20,628 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:20,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 00:09:20,628 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:20,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1417281535, now seen corresponding path program 1 times [2024-11-17 00:09:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818997114] [2024-11-17 00:09:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:22,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 00:09:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 00:09:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 00:09:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-17 00:09:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-17 00:09:22,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:22,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818997114] [2024-11-17 00:09:22,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818997114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:09:22,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247057457] [2024-11-17 00:09:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:22,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:09:22,754 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:09:22,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 00:09:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:23,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 00:09:23,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:09:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:09:24,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:09:24,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247057457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:09:24,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:09:24,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-17 00:09:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392648666] [2024-11-17 00:09:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:09:24,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:09:24,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:24,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:09:24,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-17 00:09:24,047 INFO L87 Difference]: Start difference. First operand 687 states and 933 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:24,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:24,665 INFO L93 Difference]: Finished difference Result 707 states and 959 transitions. [2024-11-17 00:09:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 00:09:24,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 226 [2024-11-17 00:09:24,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:24,668 INFO L225 Difference]: With dead ends: 707 [2024-11-17 00:09:24,668 INFO L226 Difference]: Without dead ends: 707 [2024-11-17 00:09:24,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-11-17 00:09:24,669 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 33 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:24,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2767 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:09:24,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-17 00:09:24,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 697. [2024-11-17 00:09:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 683 states have (on average 1.3528550512445094) internal successors, (924), 685 states have internal predecessors, (924), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 945 transitions. [2024-11-17 00:09:24,683 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 945 transitions. Word has length 226 [2024-11-17 00:09:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:24,683 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 945 transitions. [2024-11-17 00:09:24,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 945 transitions. [2024-11-17 00:09:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-17 00:09:24,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:24,685 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:24,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 00:09:24,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:09:24,887 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:24,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1462155903, now seen corresponding path program 1 times [2024-11-17 00:09:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782683661] [2024-11-17 00:09:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:24,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 00:09:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 00:09:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 00:09:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-17 00:09:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:09:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:09:25,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782683661] [2024-11-17 00:09:25,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782683661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:09:25,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:09:25,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 00:09:25,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934810834] [2024-11-17 00:09:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:09:25,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 00:09:25,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:09:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 00:09:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:09:25,847 INFO L87 Difference]: Start difference. First operand 697 states and 945 transitions. Second operand has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:09:26,785 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-17 00:09:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 00:09:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 227 [2024-11-17 00:09:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:09:26,787 INFO L225 Difference]: With dead ends: 717 [2024-11-17 00:09:26,787 INFO L226 Difference]: Without dead ends: 717 [2024-11-17 00:09:26,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 00:09:26,788 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 25 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:09:26,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3152 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:09:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-17 00:09:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2024-11-17 00:09:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 689 states have (on average 1.3497822931785195) internal successors, (930), 691 states have internal predecessors, (930), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:09:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 951 transitions. [2024-11-17 00:09:26,799 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 951 transitions. Word has length 227 [2024-11-17 00:09:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:09:26,800 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 951 transitions. [2024-11-17 00:09:26,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:09:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 951 transitions. [2024-11-17 00:09:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-17 00:09:26,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:09:26,802 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:09:26,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 00:09:26,802 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:09:26,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:09:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 654053227, now seen corresponding path program 1 times [2024-11-17 00:09:26,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:09:26,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463883299] [2024-11-17 00:09:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:09:26,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:09:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 00:09:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:09:41,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 00:09:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat