./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_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-023d838-m [2024-11-10 14:54:46,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:54:46,059 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-10 14:54:46,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:54:46,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:54:46,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:54:46,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:54:46,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:54:46,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:54:46,102 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:54:46,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:54:46,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:54:46,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:54:46,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:54:46,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:54:46,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:54:46,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:54:46,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:54:46,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:54:46,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:54:46,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:54:46,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:54:46,111 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:54:46,112 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:54:46,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:54:46,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:54:46,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:54:46,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:54:46,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:54:46,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:54:46,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:54:46,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:54:46,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:54:46,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:54:46,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:54:46,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:54:46,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:54:46,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:54:46,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:54:46,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:54:46,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:54:46,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:54:46,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:54:46,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:54:46,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:54:46,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-10 14:54:46,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:54:46,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:54:46,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:54:46,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:54:46,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:54:46,375 INFO L431 ainManager$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 [2024-11-10 14:54:47,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:54:48,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:54:48,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2024-11-10 14:54:48,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e00fe67/b5dce603589e41748736491af069412e/FLAGfe0bd1753 [2024-11-10 14:54:48,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e00fe67/b5dce603589e41748736491af069412e [2024-11-10 14:54:48,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:54:48,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:54:48,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:54:48,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:54:48,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:54:48,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:54:48" (1/1) ... [2024-11-10 14:54:48,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20df1b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:48, skipping insertion in model container [2024-11-10 14:54:48,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:54:48" (1/1) ... [2024-11-10 14:54:48,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:54:48,937 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:48,970 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:48,974 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:48,977 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:48,984 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,008 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,010 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,012 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,020 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,030 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:54:49,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:54:49,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:54:49,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:54:49,227 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:54:49,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49 WrapperNode [2024-11-10 14:54:49,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:54:49,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:54:49,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:54:49,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:54:49,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,335 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1517 [2024-11-10 14:54:49,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:54:49,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:54:49,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:54:49,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:54:49,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,468 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]. [2024-11-10 14:54:49,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:54:49,545 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:54:49,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:54:49,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:54:49,546 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (1/1) ... [2024-11-10 14:54:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:54:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:54:49,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:54:49,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:54:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 14:54:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 14:54:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 14:54:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 14:54:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:54:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:54:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:54:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:54:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:54:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:54:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:54:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:54:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:54:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:54:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:54:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 14:54:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 14:54:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:54:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:54:49,853 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:54:49,855 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:54:51,395 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-10 14:54:51,395 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:54:51,465 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:54:51,469 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 14:54:51,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:54:51 BoogieIcfgContainer [2024-11-10 14:54:51,469 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:54:51,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:54:51,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:54:51,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:54:51,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:54:48" (1/3) ... [2024-11-10 14:54:51,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a297010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:54:51, skipping insertion in model container [2024-11-10 14:54:51,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:54:49" (2/3) ... [2024-11-10 14:54:51,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a297010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:54:51, skipping insertion in model container [2024-11-10 14:54:51,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:54:51" (3/3) ... [2024-11-10 14:54:51,479 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-1.i [2024-11-10 14:54:51,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:54:51,495 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:54:51,560 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:54:51,569 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;@7a36bca7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:54:51,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:54:51,576 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) [2024-11-10 14:54:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 14:54:51,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:51,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 14:54:51,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:51,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:51,590 INFO L85 PathProgramCache]: Analyzing trace with hash 715672427, now seen corresponding path program 1 times [2024-11-10 14:54:51,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:51,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801649715] [2024-11-10 14:54:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:54:51,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:51,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801649715] [2024-11-10 14:54:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801649715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:51,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:51,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:54:51,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058367741] [2024-11-10 14:54:51,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:51,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:54:51,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:51,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:54:51,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:54:51,828 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) [2024-11-10 14:54:52,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:52,102 INFO L93 Difference]: Finished difference Result 428 states and 608 transitions. [2024-11-10 14:54:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:54:52,104 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 [2024-11-10 14:54:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:52,122 INFO L225 Difference]: With dead ends: 428 [2024-11-10 14:54:52,122 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 14:54:52,124 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 [2024-11-10 14:54:52,129 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 [2024-11-10 14:54:52,131 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] [2024-11-10 14:54:52,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 14:54:52,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-10 14:54:52,207 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) [2024-11-10 14:54:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2024-11-10 14:54:52,215 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 5 [2024-11-10 14:54:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:52,218 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2024-11-10 14:54:52,218 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) [2024-11-10 14:54:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2024-11-10 14:54:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 14:54:52,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:52,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:54:52,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:54:52,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:52,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1191825280, now seen corresponding path program 1 times [2024-11-10 14:54:52,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022372036] [2024-11-10 14:54:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:54:52,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022372036] [2024-11-10 14:54:52,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022372036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:52,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:52,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:54:52,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401778079] [2024-11-10 14:54:52,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:52,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:54:52,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:52,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:54:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:54:52,389 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) [2024-11-10 14:54:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:52,844 INFO L93 Difference]: Finished difference Result 737 states and 1066 transitions. [2024-11-10 14:54:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:54:52,845 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 [2024-11-10 14:54:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:52,849 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:54:52,850 INFO L226 Difference]: Without dead ends: 734 [2024-11-10 14:54:52,850 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 [2024-11-10 14:54:52,851 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:52,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1549 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:54:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-10 14:54:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-10 14:54:52,885 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) [2024-11-10 14:54:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1063 transitions. [2024-11-10 14:54:52,890 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1063 transitions. Word has length 13 [2024-11-10 14:54:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:52,890 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1063 transitions. [2024-11-10 14:54:52,891 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) [2024-11-10 14:54:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1063 transitions. [2024-11-10 14:54:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:54:52,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:52,899 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] [2024-11-10 14:54:52,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:54:52,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:52,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1871507067, now seen corresponding path program 1 times [2024-11-10 14:54:52,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:52,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258690547] [2024-11-10 14:54:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:53,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:54:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:54:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:54:53,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:53,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258690547] [2024-11-10 14:54:53,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258690547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:53,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:53,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:54:53,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741319540] [2024-11-10 14:54:53,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:53,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:54:53,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:53,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:54:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:54:53,579 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) [2024-11-10 14:54:54,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:54,151 INFO L93 Difference]: Finished difference Result 743 states and 1067 transitions. [2024-11-10 14:54:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:54:54,152 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 [2024-11-10 14:54:54,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:54,157 INFO L225 Difference]: With dead ends: 743 [2024-11-10 14:54:54,157 INFO L226 Difference]: Without dead ends: 743 [2024-11-10 14:54:54,158 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 [2024-11-10 14:54:54,159 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:54,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1868 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 14:54:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-10 14:54:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 734. [2024-11-10 14:54:54,177 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) [2024-11-10 14:54:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1049 transitions. [2024-11-10 14:54:54,180 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1049 transitions. Word has length 175 [2024-11-10 14:54:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:54,181 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1049 transitions. [2024-11-10 14:54:54,181 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) [2024-11-10 14:54:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1049 transitions. [2024-11-10 14:54:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:54:54,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:54,191 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] [2024-11-10 14:54:54,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:54:54,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:54,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:54,192 INFO L85 PathProgramCache]: Analyzing trace with hash -811027948, now seen corresponding path program 1 times [2024-11-10 14:54:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671914325] [2024-11-10 14:54:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:54:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:54:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:54:54,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:54,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671914325] [2024-11-10 14:54:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671914325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:54,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:54,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:54:54,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608061334] [2024-11-10 14:54:54,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:54,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:54:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:54,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:54:54,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:54:54,529 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) [2024-11-10 14:54:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:54,929 INFO L93 Difference]: Finished difference Result 735 states and 1058 transitions. [2024-11-10 14:54:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:54:54,930 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 [2024-11-10 14:54:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:54,933 INFO L225 Difference]: With dead ends: 735 [2024-11-10 14:54:54,933 INFO L226 Difference]: Without dead ends: 735 [2024-11-10 14:54:54,934 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 [2024-11-10 14:54:54,935 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 137 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:54,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1492 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:54:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-10 14:54:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-10 14:54:54,949 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) [2024-11-10 14:54:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1046 transitions. [2024-11-10 14:54:54,952 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1046 transitions. Word has length 175 [2024-11-10 14:54:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:54,953 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1046 transitions. [2024-11-10 14:54:54,953 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) [2024-11-10 14:54:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1046 transitions. [2024-11-10 14:54:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:54:54,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:54,955 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] [2024-11-10 14:54:54,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:54:54,956 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:54,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:54,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1371109113, now seen corresponding path program 1 times [2024-11-10 14:54:54,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:54,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075426880] [2024-11-10 14:54:54,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:54,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:54:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:54:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:54:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:54:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:54:55,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:55,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075426880] [2024-11-10 14:54:55,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075426880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:55,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:55,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:54:55,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438825405] [2024-11-10 14:54:55,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:55,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:54:55,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:54:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:54:55,309 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) [2024-11-10 14:54:56,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:56,437 INFO L93 Difference]: Finished difference Result 741 states and 1050 transitions. [2024-11-10 14:54:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:54:56,438 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 [2024-11-10 14:54:56,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:56,444 INFO L225 Difference]: With dead ends: 741 [2024-11-10 14:54:56,445 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 14:54:56,445 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 [2024-11-10 14:54:56,449 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 108 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:56,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1847 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 14:54:56,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 14:54:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 732. [2024-11-10 14:54:56,471 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) [2024-11-10 14:54:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1032 transitions. [2024-11-10 14:54:56,474 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1032 transitions. Word has length 190 [2024-11-10 14:54:56,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:56,475 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1032 transitions. [2024-11-10 14:54:56,478 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) [2024-11-10 14:54:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1032 transitions. [2024-11-10 14:54:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:54:56,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:56,481 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] [2024-11-10 14:54:56,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:54:56,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:56,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1622398062, now seen corresponding path program 1 times [2024-11-10 14:54:56,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:56,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557318793] [2024-11-10 14:54:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:56,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:54:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:56,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:54:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:54:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:56,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:54:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:54:56,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:56,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557318793] [2024-11-10 14:54:56,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557318793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:56,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:56,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:54:56,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513376197] [2024-11-10 14:54:56,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:56,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:54:56,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:56,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:54:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:54:56,885 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) [2024-11-10 14:54:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:57,846 INFO L93 Difference]: Finished difference Result 744 states and 1053 transitions. [2024-11-10 14:54:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:54:57,847 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 [2024-11-10 14:54:57,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:57,851 INFO L225 Difference]: With dead ends: 744 [2024-11-10 14:54:57,852 INFO L226 Difference]: Without dead ends: 744 [2024-11-10 14:54:57,852 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 [2024-11-10 14:54:57,854 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 [2024-11-10 14:54:57,855 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] [2024-11-10 14:54:57,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-10 14:54:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 734. [2024-11-10 14:54:57,869 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) [2024-11-10 14:54:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2024-11-10 14:54:57,871 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 190 [2024-11-10 14:54:57,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:57,873 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2024-11-10 14:54:57,873 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) [2024-11-10 14:54:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2024-11-10 14:54:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:54:57,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:57,875 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] [2024-11-10 14:54:57,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:54:57,876 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:57,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:57,876 INFO L85 PathProgramCache]: Analyzing trace with hash 15422295, now seen corresponding path program 1 times [2024-11-10 14:54:57,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:57,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033298201] [2024-11-10 14:54:57,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:58,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:54:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:54:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:54:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:54:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 14:54:58,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:58,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033298201] [2024-11-10 14:54:58,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033298201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:54:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532884837] [2024-11-10 14:54:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:58,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:54:58,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:54:58,880 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) [2024-11-10 14:54:58,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:54:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:59,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 14:54:59,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:54:59,522 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 [2024-11-10 14:55:00,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:55:00,174 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 [2024-11-10 14:55:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:00,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:55:00,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532884837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:00,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:55:00,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-10 14:55:00,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680934019] [2024-11-10 14:55:00,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:00,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:55:00,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:00,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:55:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:55:00,460 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) [2024-11-10 14:55:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:03,041 INFO L93 Difference]: Finished difference Result 840 states and 1171 transitions. [2024-11-10 14:55:03,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:55:03,042 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 [2024-11-10 14:55:03,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:03,045 INFO L225 Difference]: With dead ends: 840 [2024-11-10 14:55:03,045 INFO L226 Difference]: Without dead ends: 840 [2024-11-10 14:55:03,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:55:03,046 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 829 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:03,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2865 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 14:55:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-10 14:55:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 765. [2024-11-10 14:55:03,060 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) [2024-11-10 14:55:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1071 transitions. [2024-11-10 14:55:03,064 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1071 transitions. Word has length 192 [2024-11-10 14:55:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:03,064 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1071 transitions. [2024-11-10 14:55:03,067 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) [2024-11-10 14:55:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1071 transitions. [2024-11-10 14:55:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:55:03,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:03,069 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] [2024-11-10 14:55:03,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:55:03,273 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 [2024-11-10 14:55:03,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:03,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:03,274 INFO L85 PathProgramCache]: Analyzing trace with hash 264700696, now seen corresponding path program 1 times [2024-11-10 14:55:03,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:03,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49800189] [2024-11-10 14:55:03,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:55:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:55:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:03,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:55:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:55:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:03,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:03,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49800189] [2024-11-10 14:55:03,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49800189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:03,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:03,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:55:03,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817937331] [2024-11-10 14:55:03,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:03,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:55:03,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:03,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:55:03,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:55:03,557 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) [2024-11-10 14:55:03,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:03,983 INFO L93 Difference]: Finished difference Result 784 states and 1097 transitions. [2024-11-10 14:55:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:55:03,983 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 [2024-11-10 14:55:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:03,986 INFO L225 Difference]: With dead ends: 784 [2024-11-10 14:55:03,987 INFO L226 Difference]: Without dead ends: 784 [2024-11-10 14:55:03,988 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 [2024-11-10 14:55:03,989 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 5 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-10 14:55:03,989 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] [2024-11-10 14:55:03,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-10 14:55:04,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2024-11-10 14:55:04,005 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) [2024-11-10 14:55:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1083 transitions. [2024-11-10 14:55:04,010 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1083 transitions. Word has length 192 [2024-11-10 14:55:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:04,011 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1083 transitions. [2024-11-10 14:55:04,011 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) [2024-11-10 14:55:04,011 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1083 transitions. [2024-11-10 14:55:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:55:04,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:04,013 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] [2024-11-10 14:55:04,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:55:04,013 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:04,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:04,014 INFO L85 PathProgramCache]: Analyzing trace with hash -696924519, now seen corresponding path program 1 times [2024-11-10 14:55:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:04,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348205165] [2024-11-10 14:55:04,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:55:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:55:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:55:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:55:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:04,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348205165] [2024-11-10 14:55:04,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348205165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:04,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:04,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:55:04,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785696201] [2024-11-10 14:55:04,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:04,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:55:04,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:04,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:55:04,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:55:04,268 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) [2024-11-10 14:55:04,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:04,700 INFO L93 Difference]: Finished difference Result 641 states and 884 transitions. [2024-11-10 14:55:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:55:04,700 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 [2024-11-10 14:55:04,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:04,703 INFO L225 Difference]: With dead ends: 641 [2024-11-10 14:55:04,703 INFO L226 Difference]: Without dead ends: 641 [2024-11-10 14:55:04,703 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 [2024-11-10 14:55:04,704 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:04,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1652 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:55:04,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-10 14:55:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 638. [2024-11-10 14:55:04,716 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) [2024-11-10 14:55:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2024-11-10 14:55:04,718 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 192 [2024-11-10 14:55:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:04,718 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2024-11-10 14:55:04,719 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) [2024-11-10 14:55:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2024-11-10 14:55:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 14:55:04,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:04,721 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] [2024-11-10 14:55:04,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:55:04,721 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:04,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:04,722 INFO L85 PathProgramCache]: Analyzing trace with hash -980281356, now seen corresponding path program 1 times [2024-11-10 14:55:04,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252514107] [2024-11-10 14:55:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 14:55:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 14:55:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 14:55:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:05,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 14:55:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 14:55:05,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:05,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252514107] [2024-11-10 14:55:05,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252514107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:05,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012776941] [2024-11-10 14:55:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:05,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:05,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:05,562 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) [2024-11-10 14:55:05,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:55:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:06,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 14:55:06,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:06,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:55:06,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012776941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:06,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:55:06,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-10 14:55:06,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141596144] [2024-11-10 14:55:06,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:06,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:55:06,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:06,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:55:06,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:55:06,243 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) [2024-11-10 14:55:06,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:06,416 INFO L93 Difference]: Finished difference Result 638 states and 870 transitions. [2024-11-10 14:55:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:55:06,417 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 [2024-11-10 14:55:06,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:06,420 INFO L225 Difference]: With dead ends: 638 [2024-11-10 14:55:06,420 INFO L226 Difference]: Without dead ends: 638 [2024-11-10 14:55:06,420 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 [2024-11-10 14:55:06,421 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 [2024-11-10 14:55:06,421 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] [2024-11-10 14:55:06,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-10 14:55:06,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-10 14:55:06,431 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) [2024-11-10 14:55:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 870 transitions. [2024-11-10 14:55:06,433 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 870 transitions. Word has length 193 [2024-11-10 14:55:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:06,434 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 870 transitions. [2024-11-10 14:55:06,434 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) [2024-11-10 14:55:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 870 transitions. [2024-11-10 14:55:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 14:55:06,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:06,437 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] [2024-11-10 14:55:06,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:55:06,640 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 [2024-11-10 14:55:06,641 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:06,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash 510809428, now seen corresponding path program 1 times [2024-11-10 14:55:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:06,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304142022] [2024-11-10 14:55:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:07,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 14:55:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:07,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 14:55:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 14:55:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:55:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:07,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:07,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304142022] [2024-11-10 14:55:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304142022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:07,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:07,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:55:07,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731879955] [2024-11-10 14:55:07,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:55:07,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:55:07,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:55:07,167 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) [2024-11-10 14:55:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:07,755 INFO L93 Difference]: Finished difference Result 647 states and 888 transitions. [2024-11-10 14:55:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:55:07,756 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 [2024-11-10 14:55:07,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:07,758 INFO L225 Difference]: With dead ends: 647 [2024-11-10 14:55:07,759 INFO L226 Difference]: Without dead ends: 647 [2024-11-10 14:55:07,759 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 [2024-11-10 14:55:07,760 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 [2024-11-10 14:55:07,760 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] [2024-11-10 14:55:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-10 14:55:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 644. [2024-11-10 14:55:07,771 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) [2024-11-10 14:55:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 876 transitions. [2024-11-10 14:55:07,773 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 876 transitions. Word has length 194 [2024-11-10 14:55:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:07,774 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 876 transitions. [2024-11-10 14:55:07,774 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) [2024-11-10 14:55:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 876 transitions. [2024-11-10 14:55:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:55:07,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:07,776 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] [2024-11-10 14:55:07,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:55:07,776 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:07,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:07,777 INFO L85 PathProgramCache]: Analyzing trace with hash -116934224, now seen corresponding path program 1 times [2024-11-10 14:55:07,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:07,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247807068] [2024-11-10 14:55:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:07,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:55:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:08,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:55:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:55:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:55:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:08,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:08,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247807068] [2024-11-10 14:55:08,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247807068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:08,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:08,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:55:08,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723043701] [2024-11-10 14:55:08,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:08,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:55:08,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:55:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:55:08,296 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) [2024-11-10 14:55:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:09,057 INFO L93 Difference]: Finished difference Result 657 states and 900 transitions. [2024-11-10 14:55:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 14:55:09,059 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 [2024-11-10 14:55:09,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:09,061 INFO L225 Difference]: With dead ends: 657 [2024-11-10 14:55:09,061 INFO L226 Difference]: Without dead ends: 657 [2024-11-10 14:55:09,062 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 [2024-11-10 14:55:09,062 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 [2024-11-10 14:55:09,062 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] [2024-11-10 14:55:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-10 14:55:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 652. [2024-11-10 14:55:09,074 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) [2024-11-10 14:55:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 886 transitions. [2024-11-10 14:55:09,076 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 886 transitions. Word has length 195 [2024-11-10 14:55:09,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:09,077 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 886 transitions. [2024-11-10 14:55:09,077 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) [2024-11-10 14:55:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 886 transitions. [2024-11-10 14:55:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:55:09,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:09,080 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] [2024-11-10 14:55:09,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:55:09,080 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:09,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:09,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1160594614, now seen corresponding path program 1 times [2024-11-10 14:55:09,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:09,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435536183] [2024-11-10 14:55:09,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:09,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:55:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:09,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:55:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:09,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:55:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:09,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:55:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 14:55:09,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435536183] [2024-11-10 14:55:09,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435536183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049318974] [2024-11-10 14:55:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:09,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:09,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:09,842 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) [2024-11-10 14:55:09,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:55:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:10,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 14:55:10,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 14:55:10,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:55:10,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049318974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:10,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:55:10,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 14:55:10,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170872758] [2024-11-10 14:55:10,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:10,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:55:10,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:55:10,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:55:10,588 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) [2024-11-10 14:55:10,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:10,811 INFO L93 Difference]: Finished difference Result 709 states and 965 transitions. [2024-11-10 14:55:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:55:10,812 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 [2024-11-10 14:55:10,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:10,815 INFO L225 Difference]: With dead ends: 709 [2024-11-10 14:55:10,816 INFO L226 Difference]: Without dead ends: 709 [2024-11-10 14:55:10,816 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 [2024-11-10 14:55:10,817 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 447 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-10 14:55:10,817 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] [2024-11-10 14:55:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-10 14:55:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 655. [2024-11-10 14:55:10,831 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) [2024-11-10 14:55:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 892 transitions. [2024-11-10 14:55:10,832 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 892 transitions. Word has length 195 [2024-11-10 14:55:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:10,833 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 892 transitions. [2024-11-10 14:55:10,833 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) [2024-11-10 14:55:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 892 transitions. [2024-11-10 14:55:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 14:55:10,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:10,836 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] [2024-11-10 14:55:10,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:55:11,040 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 [2024-11-10 14:55:11,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:11,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:11,041 INFO L85 PathProgramCache]: Analyzing trace with hash -478673994, now seen corresponding path program 1 times [2024-11-10 14:55:11,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015983251] [2024-11-10 14:55:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:55:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:12,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 14:55:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 14:55:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 14:55:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 14:55:12,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:12,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015983251] [2024-11-10 14:55:12,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015983251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515323455] [2024-11-10 14:55:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:12,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:12,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:12,592 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) [2024-11-10 14:55:12,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:55:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:13,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 14:55:13,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:55:13,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:55:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 14:55:13,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515323455] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:55:13,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:55:13,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-10 14:55:13,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766350635] [2024-11-10 14:55:13,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:55:13,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 14:55:13,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:13,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 14:55:13,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 14:55:13,606 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) [2024-11-10 14:55:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:14,387 INFO L93 Difference]: Finished difference Result 720 states and 984 transitions. [2024-11-10 14:55:14,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 14:55:14,388 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 [2024-11-10 14:55:14,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:14,390 INFO L225 Difference]: With dead ends: 720 [2024-11-10 14:55:14,390 INFO L226 Difference]: Without dead ends: 720 [2024-11-10 14:55:14,391 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 [2024-11-10 14:55:14,392 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:14,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 2290 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 14:55:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-10 14:55:14,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 664. [2024-11-10 14:55:14,403 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) [2024-11-10 14:55:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 906 transitions. [2024-11-10 14:55:14,405 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 906 transitions. Word has length 199 [2024-11-10 14:55:14,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:14,405 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 906 transitions. [2024-11-10 14:55:14,405 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) [2024-11-10 14:55:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 906 transitions. [2024-11-10 14:55:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 14:55:14,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:14,408 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] [2024-11-10 14:55:14,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:55:14,612 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 [2024-11-10 14:55:14,613 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:14,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:14,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1889882294, now seen corresponding path program 2 times [2024-11-10 14:55:14,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:14,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384030331] [2024-11-10 14:55:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:14,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:55:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 14:55:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:55:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:15,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:55:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-10 14:55:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:16,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384030331] [2024-11-10 14:55:16,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384030331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:16,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849487741] [2024-11-10 14:55:16,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:55:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:16,006 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) [2024-11-10 14:55:16,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:55:17,121 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:55:17,121 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:55:17,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 14:55:17,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 14:55:17,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:55:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 70 refuted. 1 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-10 14:55:22,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849487741] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:55:22,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:55:22,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 25 [2024-11-10 14:55:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489046497] [2024-11-10 14:55:22,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:55:22,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 14:55:22,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 14:55:22,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2024-11-10 14:55:22,244 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) [2024-11-10 14:55:23,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:23,763 INFO L93 Difference]: Finished difference Result 737 states and 1010 transitions. [2024-11-10 14:55:23,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 14:55:23,764 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 [2024-11-10 14:55:23,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:23,767 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:55:23,767 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 14:55:23,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=300, Invalid=959, Unknown=1, NotChecked=0, Total=1260 [2024-11-10 14:55:23,770 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1249 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2024-11-10 14:55:23,770 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] [2024-11-10 14:55:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 14:55:23,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 673. [2024-11-10 14:55:23,783 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) [2024-11-10 14:55:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:55:23,785 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 207 [2024-11-10 14:55:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:23,785 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:55:23,786 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) [2024-11-10 14:55:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:55:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-10 14:55:23,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:23,788 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] [2024-11-10 14:55:23,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:55:23,988 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 [2024-11-10 14:55:23,989 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:23,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:23,990 INFO L85 PathProgramCache]: Analyzing trace with hash -406609010, now seen corresponding path program 3 times [2024-11-10 14:55:23,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:23,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416051184] [2024-11-10 14:55:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:23,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:55:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:25,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 14:55:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 14:55:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 14:55:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-10 14:55:25,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:25,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416051184] [2024-11-10 14:55:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416051184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:25,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625844818] [2024-11-10 14:55:25,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 14:55:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:25,771 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) [2024-11-10 14:55:25,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 14:55:26,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 14:55:26,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:55:26,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:55:26,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-10 14:55:26,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:55:26,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625844818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:26,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:55:26,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-10 14:55:26,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207809918] [2024-11-10 14:55:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:26,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:55:26,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:55:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-10 14:55:26,745 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) [2024-11-10 14:55:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:27,178 INFO L93 Difference]: Finished difference Result 683 states and 927 transitions. [2024-11-10 14:55:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:55:27,179 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 [2024-11-10 14:55:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:27,181 INFO L225 Difference]: With dead ends: 683 [2024-11-10 14:55:27,181 INFO L226 Difference]: Without dead ends: 683 [2024-11-10 14:55:27,181 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 [2024-11-10 14:55:27,182 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 8 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:27,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2356 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:55:27,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-10 14:55:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-10 14:55:27,195 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) [2024-11-10 14:55:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:55:27,197 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 225 [2024-11-10 14:55:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:27,198 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:55:27,198 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) [2024-11-10 14:55:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:55:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:55:27,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:27,200 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] [2024-11-10 14:55:27,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 14:55:27,400 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 [2024-11-10 14:55:27,401 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:27,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:27,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2123404347, now seen corresponding path program 1 times [2024-11-10 14:55:27,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:27,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639740447] [2024-11-10 14:55:27,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:27,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:55:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:55:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:28,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:55:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:55:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-10 14:55:28,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:28,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639740447] [2024-11-10 14:55:28,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639740447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:28,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:28,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 14:55:28,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717818798] [2024-11-10 14:55:28,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:28,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:55:28,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:28,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:55:28,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:55:28,187 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) [2024-11-10 14:55:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:28,967 INFO L93 Difference]: Finished difference Result 695 states and 943 transitions. [2024-11-10 14:55:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:55:28,968 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 [2024-11-10 14:55:28,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:28,970 INFO L225 Difference]: With dead ends: 695 [2024-11-10 14:55:28,970 INFO L226 Difference]: Without dead ends: 695 [2024-11-10 14:55:28,970 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 [2024-11-10 14:55:28,970 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 19 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:28,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 14:55:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-10 14:55:28,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2024-11-10 14:55:28,984 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) [2024-11-10 14:55:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 933 transitions. [2024-11-10 14:55:28,986 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 933 transitions. Word has length 226 [2024-11-10 14:55:28,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:28,987 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 933 transitions. [2024-11-10 14:55:28,987 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) [2024-11-10 14:55:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 933 transitions. [2024-11-10 14:55:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:55:28,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:28,989 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] [2024-11-10 14:55:28,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:55:28,989 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:28,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1417281535, now seen corresponding path program 1 times [2024-11-10 14:55:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:28,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792732406] [2024-11-10 14:55:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:30,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:55:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:55:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:55:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:55:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-10 14:55:30,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792732406] [2024-11-10 14:55:30,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792732406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:30,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652159794] [2024-11-10 14:55:30,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:30,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:30,947 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) [2024-11-10 14:55:30,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 14:55:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:31,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 14:55:31,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-10 14:55:32,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:55:32,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652159794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:32,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:55:32,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-10 14:55:32,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062039909] [2024-11-10 14:55:32,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:32,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:55:32,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:32,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:55:32,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:55:32,045 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) [2024-11-10 14:55:32,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:32,636 INFO L93 Difference]: Finished difference Result 707 states and 959 transitions. [2024-11-10 14:55:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:55:32,637 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 [2024-11-10 14:55:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:32,638 INFO L225 Difference]: With dead ends: 707 [2024-11-10 14:55:32,638 INFO L226 Difference]: Without dead ends: 707 [2024-11-10 14:55:32,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:55:32,639 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 33 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-10 14:55:32,639 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] [2024-11-10 14:55:32,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-10 14:55:32,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 697. [2024-11-10 14:55:32,651 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) [2024-11-10 14:55:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 945 transitions. [2024-11-10 14:55:32,654 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 945 transitions. Word has length 226 [2024-11-10 14:55:32,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:32,654 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 945 transitions. [2024-11-10 14:55:32,654 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) [2024-11-10 14:55:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 945 transitions. [2024-11-10 14:55:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:55:32,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:32,656 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] [2024-11-10 14:55:32,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 14:55:32,857 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 [2024-11-10 14:55:32,858 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:32,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:32,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1462155903, now seen corresponding path program 1 times [2024-11-10 14:55:32,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:32,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718340422] [2024-11-10 14:55:32,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:32,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 14:55:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:33,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 14:55:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:33,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:55:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 14:55:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-10 14:55:33,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:33,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718340422] [2024-11-10 14:55:33,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718340422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:55:33,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:55:33,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 14:55:33,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854811193] [2024-11-10 14:55:33,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:55:33,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:55:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:55:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:55:33,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 14:55:33,691 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) [2024-11-10 14:55:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:55:34,521 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-10 14:55:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:55:34,522 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 [2024-11-10 14:55:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:55:34,524 INFO L225 Difference]: With dead ends: 717 [2024-11-10 14:55:34,524 INFO L226 Difference]: Without dead ends: 717 [2024-11-10 14:55:34,524 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 [2024-11-10 14:55:34,525 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 25 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 14:55:34,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3152 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 14:55:34,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-10 14:55:34,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2024-11-10 14:55:34,536 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) [2024-11-10 14:55:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 951 transitions. [2024-11-10 14:55:34,538 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 951 transitions. Word has length 227 [2024-11-10 14:55:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:55:34,538 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 951 transitions. [2024-11-10 14:55:34,539 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) [2024-11-10 14:55:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 951 transitions. [2024-11-10 14:55:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:55:34,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:55:34,540 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] [2024-11-10 14:55:34,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:55:34,541 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:55:34,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:55:34,541 INFO L85 PathProgramCache]: Analyzing trace with hash 654053227, now seen corresponding path program 1 times [2024-11-10 14:55:34,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:55:34,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019718531] [2024-11-10 14:55:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:34,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:55:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 14:55:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 14:55:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:49,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:55:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 14:55:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 390 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-10 14:55:49,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:55:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019718531] [2024-11-10 14:55:49,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019718531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:55:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072960981] [2024-11-10 14:55:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:55:49,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:55:49,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:55:49,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:55:49,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 14:55:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:55:50,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 201 conjuncts are in the unsatisfiable core [2024-11-10 14:55:50,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:55:50,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-10 14:55:50,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-10 14:55:51,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-10 14:55:51,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-10 14:55:51,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 14:55:51,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 14:55:51,203 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-10 14:55:51,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-10 14:55:51,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 14:55:51,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-10 14:55:51,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-10 14:55:51,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-10 14:55:51,904 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-10 14:55:51,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-11-10 14:55:51,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-10 14:55:51,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11