./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_OAT_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 14:53:29,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:53:29,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-10 14:53:29,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:53:29,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:53:29,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:53:29,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:53:29,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:53:29,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:53:29,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:53:29,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:53:29,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:53:29,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:53:29,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:53:29,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:53:29,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:53:29,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:53:29,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:53:29,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:53:29,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:53:29,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:53:29,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:53:29,711 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:53:29,711 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:53:29,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:53:29,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:53:29,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:53:29,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:53:29,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:53:29,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:53:29,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:53:29,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:53:29,714 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:53:29,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:53:29,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:53:29,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:53:29,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:53:29,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:53:29,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:53:29,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:53:29,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:53:29,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:53:29,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:53:29,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:53:29,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:53:29,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-10 14:53:29,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:53:30,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:53:30,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:53:30,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:53:30,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:53:30,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2024-11-10 14:53:31,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:53:31,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:53:31,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2024-11-10 14:53:31,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fa28186/02ec9e0662364390811d411c3a69965d/FLAGb2fc7d8a7 [2024-11-10 14:53:32,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fa28186/02ec9e0662364390811d411c3a69965d [2024-11-10 14:53:32,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:53:32,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:53:32,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:53:32,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:53:32,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:53:32,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:32,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a88e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32, skipping insertion in model container [2024-11-10 14:53:32,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:32,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:53:32,536 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 14:53:32,582 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 14:53:32,587 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 14:53:32,593 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 14:53:32,607 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 14:53:32,643 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 14:53:32,645 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 14:53:32,647 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 14:53:32,652 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 14:53:32,663 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 14:53:32,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:53:32,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:53:32,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:53:32,852 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:53:32,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32 WrapperNode [2024-11-10 14:53:32,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:53:32,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:53:32,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:53:32,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:53:32,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:32,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:32,971 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1517 [2024-11-10 14:53:32,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:53:32,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:53:32,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:53:32,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:53:32,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:32,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,112 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 14:53:33,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:53:33,189 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:53:33,189 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:53:33,189 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:53:33,190 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (1/1) ... [2024-11-10 14:53:33,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:53:33,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:33,224 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 14:53:33,227 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 14:53:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 14:53:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 14:53:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 14:53:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 14:53:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:53:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:53:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:53:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:53:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:53:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:53:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:53:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:53:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:53:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:53:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:53:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 14:53:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 14:53:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:53:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:53:33,550 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:53:33,552 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:53:35,174 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-10 14:53:35,174 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:53:35,247 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:53:35,248 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 14:53:35,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:53:35 BoogieIcfgContainer [2024-11-10 14:53:35,250 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:53:35,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:53:35,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:53:35,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:53:35,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:53:32" (1/3) ... [2024-11-10 14:53:35,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fb9297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:53:35, skipping insertion in model container [2024-11-10 14:53:35,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:53:32" (2/3) ... [2024-11-10 14:53:35,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fb9297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:53:35, skipping insertion in model container [2024-11-10 14:53:35,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:53:35" (3/3) ... [2024-11-10 14:53:35,262 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test4-1.i [2024-11-10 14:53:35,280 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:53:35,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:53:35,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:53:35,353 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;@44ed8ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:53:35,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:53:35,363 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 14:53:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 14:53:35,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:35,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 14:53:35,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:35,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash 715672427, now seen corresponding path program 1 times [2024-11-10 14:53:35,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:35,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539904212] [2024-11-10 14:53:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:35,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:35,689 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 14:53:35,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:35,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539904212] [2024-11-10 14:53:35,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539904212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:35,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:35,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:53:35,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476010810] [2024-11-10 14:53:35,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:35,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:53:35,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:53:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:53:35,740 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 14:53:35,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:35,999 INFO L93 Difference]: Finished difference Result 428 states and 608 transitions. [2024-11-10 14:53:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:53:36,003 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 14:53:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:36,014 INFO L225 Difference]: With dead ends: 428 [2024-11-10 14:53:36,014 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 14:53:36,016 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 14:53:36,020 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 14:53:36,022 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 14:53:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 14:53:36,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-10 14:53:36,082 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 14:53:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2024-11-10 14:53:36,088 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 5 [2024-11-10 14:53:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:36,088 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2024-11-10 14:53:36,089 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 14:53:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2024-11-10 14:53:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 14:53:36,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:36,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:53:36,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:53:36,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:36,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:36,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1191825280, now seen corresponding path program 1 times [2024-11-10 14:53:36,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:36,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11096551] [2024-11-10 14:53:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:36,278 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 14:53:36,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:36,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11096551] [2024-11-10 14:53:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11096551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:36,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:36,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:53:36,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728289433] [2024-11-10 14:53:36,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:36,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:53:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:36,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:53:36,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:53:36,284 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 14:53:36,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:36,764 INFO L93 Difference]: Finished difference Result 737 states and 1066 transitions. [2024-11-10 14:53:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:53:36,765 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 14:53:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:36,771 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:53:36,772 INFO L226 Difference]: Without dead ends: 734 [2024-11-10 14:53:36,773 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 14:53:36,775 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 14:53:36,776 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 14:53:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-10 14:53:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-10 14:53:36,818 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 14:53:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1063 transitions. [2024-11-10 14:53:36,823 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1063 transitions. Word has length 13 [2024-11-10 14:53:36,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:36,823 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1063 transitions. [2024-11-10 14:53:36,823 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 14:53:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1063 transitions. [2024-11-10 14:53:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:53:36,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:36,832 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 14:53:36,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:53:36,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:36,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:36,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1871507067, now seen corresponding path program 1 times [2024-11-10 14:53:36,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:36,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091807736] [2024-11-10 14:53:36,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:37,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:53:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:53:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:37,464 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 14:53:37,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:37,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091807736] [2024-11-10 14:53:37,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091807736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:37,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:37,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:53:37,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609609008] [2024-11-10 14:53:37,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:37,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:53:37,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:37,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:53:37,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:53:37,471 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 14:53:38,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:38,079 INFO L93 Difference]: Finished difference Result 743 states and 1067 transitions. [2024-11-10 14:53:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:53:38,080 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 14:53:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:38,085 INFO L225 Difference]: With dead ends: 743 [2024-11-10 14:53:38,086 INFO L226 Difference]: Without dead ends: 743 [2024-11-10 14:53:38,088 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 14:53:38,089 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 108 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:38,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1868 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 14:53:38,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-10 14:53:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 734. [2024-11-10 14:53:38,116 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 14:53:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1049 transitions. [2024-11-10 14:53:38,119 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1049 transitions. Word has length 175 [2024-11-10 14:53:38,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:38,119 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1049 transitions. [2024-11-10 14:53:38,120 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 14:53:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1049 transitions. [2024-11-10 14:53:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:53:38,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:38,132 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 14:53:38,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:53:38,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:38,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:38,133 INFO L85 PathProgramCache]: Analyzing trace with hash -811027948, now seen corresponding path program 1 times [2024-11-10 14:53:38,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:38,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561894160] [2024-11-10 14:53:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:38,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:53:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:53:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:38,386 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 14:53:38,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:38,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561894160] [2024-11-10 14:53:38,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561894160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:38,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:38,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:53:38,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691128945] [2024-11-10 14:53:38,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:38,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:53:38,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:53:38,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:53:38,389 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 14:53:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:38,837 INFO L93 Difference]: Finished difference Result 735 states and 1058 transitions. [2024-11-10 14:53:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:53:38,838 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 14:53:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:38,841 INFO L225 Difference]: With dead ends: 735 [2024-11-10 14:53:38,841 INFO L226 Difference]: Without dead ends: 735 [2024-11-10 14:53:38,841 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 14:53:38,842 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 137 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:38,843 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 14:53:38,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-10 14:53:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-10 14:53:38,858 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 14:53:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1046 transitions. [2024-11-10 14:53:38,861 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1046 transitions. Word has length 175 [2024-11-10 14:53:38,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:38,861 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1046 transitions. [2024-11-10 14:53:38,862 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 14:53:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1046 transitions. [2024-11-10 14:53:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:53:38,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:38,865 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 14:53:38,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:53:38,865 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:38,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1371109113, now seen corresponding path program 1 times [2024-11-10 14:53:38,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:38,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578965406] [2024-11-10 14:53:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:38,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:53:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:53:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:53:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:53:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:39,272 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 14:53:39,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:39,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578965406] [2024-11-10 14:53:39,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578965406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:39,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:39,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:53:39,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401766940] [2024-11-10 14:53:39,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:39,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:53:39,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:39,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:53:39,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:53:39,279 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 14:53:40,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:40,546 INFO L93 Difference]: Finished difference Result 741 states and 1050 transitions. [2024-11-10 14:53:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:53:40,547 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 14:53:40,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:40,551 INFO L225 Difference]: With dead ends: 741 [2024-11-10 14:53:40,551 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 14:53:40,552 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 14:53:40,552 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 108 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:40,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1847 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 14:53:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 14:53:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 732. [2024-11-10 14:53:40,574 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 14:53:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1032 transitions. [2024-11-10 14:53:40,577 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1032 transitions. Word has length 190 [2024-11-10 14:53:40,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:40,579 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1032 transitions. [2024-11-10 14:53:40,580 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 14:53:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1032 transitions. [2024-11-10 14:53:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:53:40,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:40,584 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 14:53:40,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:53:40,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:40,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:40,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1622398062, now seen corresponding path program 1 times [2024-11-10 14:53:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841519008] [2024-11-10 14:53:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:40,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:53:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:41,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:53:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:53:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:41,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:53:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:41,040 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 14:53:41,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:41,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841519008] [2024-11-10 14:53:41,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841519008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:41,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:41,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:53:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108813987] [2024-11-10 14:53:41,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:41,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:53:41,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:41,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:53:41,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:53:41,044 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 14:53:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:42,048 INFO L93 Difference]: Finished difference Result 744 states and 1053 transitions. [2024-11-10 14:53:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:53:42,049 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 14:53:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:42,055 INFO L225 Difference]: With dead ends: 744 [2024-11-10 14:53:42,057 INFO L226 Difference]: Without dead ends: 744 [2024-11-10 14:53:42,058 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 14:53:42,058 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:42,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2086 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 14:53:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-10 14:53:42,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 734. [2024-11-10 14:53:42,079 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 14:53:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2024-11-10 14:53:42,082 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 190 [2024-11-10 14:53:42,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:42,084 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2024-11-10 14:53:42,084 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 14:53:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2024-11-10 14:53:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:53:42,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:42,088 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 14:53:42,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:53:42,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:42,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:42,089 INFO L85 PathProgramCache]: Analyzing trace with hash 15422295, now seen corresponding path program 1 times [2024-11-10 14:53:42,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:42,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439784291] [2024-11-10 14:53:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:53:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:53:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:53:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:53:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,211 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 14:53:43,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:43,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439784291] [2024-11-10 14:53:43,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439784291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:53:43,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785004347] [2024-11-10 14:53:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:53:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:43,214 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 14:53:43,216 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 14:53:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:43,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 14:53:43,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:53:43,875 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 14:53:44,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:53:44,580 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 14:53:44,857 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 14:53:44,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:53:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785004347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:44,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:53:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-10 14:53:44,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123513698] [2024-11-10 14:53:44,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:44,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:53:44,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:53:44,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:53:44,860 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 14:53:47,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 14:53:47,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:47,844 INFO L93 Difference]: Finished difference Result 840 states and 1171 transitions. [2024-11-10 14:53:47,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:53:47,844 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 14:53:47,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:47,847 INFO L225 Difference]: With dead ends: 840 [2024-11-10 14:53:47,848 INFO L226 Difference]: Without dead ends: 840 [2024-11-10 14:53:47,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:53:47,849 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 829 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:47,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2865 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 14:53:47,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-10 14:53:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 765. [2024-11-10 14:53:47,863 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 14:53:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1071 transitions. [2024-11-10 14:53:47,867 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1071 transitions. Word has length 192 [2024-11-10 14:53:47,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:47,869 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1071 transitions. [2024-11-10 14:53:47,870 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 14:53:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1071 transitions. [2024-11-10 14:53:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:53:47,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:47,872 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 14:53:47,895 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 14:53:48,073 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 14:53:48,076 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:48,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash 264700696, now seen corresponding path program 1 times [2024-11-10 14:53:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:48,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838631216] [2024-11-10 14:53:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:53:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:53:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:48,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:53:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:48,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:53:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:48,339 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 14:53:48,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:48,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838631216] [2024-11-10 14:53:48,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838631216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:48,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:48,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:53:48,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985452105] [2024-11-10 14:53:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:48,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:53:48,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:48,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:53:48,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:53:48,341 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 14:53:48,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:48,829 INFO L93 Difference]: Finished difference Result 784 states and 1097 transitions. [2024-11-10 14:53:48,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:53:48,830 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 14:53:48,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:48,833 INFO L225 Difference]: With dead ends: 784 [2024-11-10 14:53:48,833 INFO L226 Difference]: Without dead ends: 784 [2024-11-10 14:53:48,833 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 14:53:48,834 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:48,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1451 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 14:53:48,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-10 14:53:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2024-11-10 14:53:48,850 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 14:53:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1083 transitions. [2024-11-10 14:53:48,853 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1083 transitions. Word has length 192 [2024-11-10 14:53:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:48,854 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1083 transitions. [2024-11-10 14:53:48,854 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 14:53:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1083 transitions. [2024-11-10 14:53:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:53:48,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:48,857 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 14:53:48,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:53:48,857 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:48,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash -696924519, now seen corresponding path program 1 times [2024-11-10 14:53:48,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:48,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035368759] [2024-11-10 14:53:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:53:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:53:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:53:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:53:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:49,115 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 14:53:49,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:49,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035368759] [2024-11-10 14:53:49,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035368759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:49,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:49,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:53:49,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083569121] [2024-11-10 14:53:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:49,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:53:49,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:49,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:53:49,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:53:49,119 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 14:53:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:49,620 INFO L93 Difference]: Finished difference Result 641 states and 884 transitions. [2024-11-10 14:53:49,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:53:49,621 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 14:53:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:49,624 INFO L225 Difference]: With dead ends: 641 [2024-11-10 14:53:49,624 INFO L226 Difference]: Without dead ends: 641 [2024-11-10 14:53:49,624 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 14:53:49,627 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 12 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:49,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1652 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 14:53:49,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-10 14:53:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 638. [2024-11-10 14:53:49,642 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 14:53:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2024-11-10 14:53:49,645 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 192 [2024-11-10 14:53:49,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:49,645 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2024-11-10 14:53:49,645 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 14:53:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2024-11-10 14:53:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 14:53:49,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:49,648 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 14:53:49,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:53:49,648 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:49,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:49,649 INFO L85 PathProgramCache]: Analyzing trace with hash -980281356, now seen corresponding path program 1 times [2024-11-10 14:53:49,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:49,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63539505] [2024-11-10 14:53:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 14:53:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:50,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 14:53:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:50,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 14:53:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:50,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 14:53:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:50,554 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 14:53:50,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63539505] [2024-11-10 14:53:50,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63539505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:53:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917579839] [2024-11-10 14:53:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:53:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:50,558 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 14:53:50,560 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 14:53:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:51,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 14:53:51,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:53:51,229 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 14:53:51,229 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:53:51,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917579839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:51,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:53:51,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-10 14:53:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924418809] [2024-11-10 14:53:51,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:51,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:53:51,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:51,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:53:51,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:53:51,232 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 14:53:51,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:51,419 INFO L93 Difference]: Finished difference Result 638 states and 870 transitions. [2024-11-10 14:53:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:53:51,420 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 14:53:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:51,422 INFO L225 Difference]: With dead ends: 638 [2024-11-10 14:53:51,423 INFO L226 Difference]: Without dead ends: 638 [2024-11-10 14:53:51,423 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 14:53:51,423 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 14:53:51,425 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 14:53:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-10 14:53:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-10 14:53:51,436 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 14:53:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 870 transitions. [2024-11-10 14:53:51,438 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 870 transitions. Word has length 193 [2024-11-10 14:53:51,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:51,439 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 870 transitions. [2024-11-10 14:53:51,439 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 14:53:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 870 transitions. [2024-11-10 14:53:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 14:53:51,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:51,441 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 14:53:51,464 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 14:53:51,642 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 14:53:51,643 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:51,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 510809428, now seen corresponding path program 1 times [2024-11-10 14:53:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:51,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521697288] [2024-11-10 14:53:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:52,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 14:53:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 14:53:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:52,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 14:53:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:53:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:52,141 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 14:53:52,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:52,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521697288] [2024-11-10 14:53:52,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521697288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:52,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:52,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:53:52,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089897093] [2024-11-10 14:53:52,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:52,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:53:52,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:52,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:53:52,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:53:52,144 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 14:53:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:52,745 INFO L93 Difference]: Finished difference Result 647 states and 888 transitions. [2024-11-10 14:53:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:53:52,745 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 14:53:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:52,748 INFO L225 Difference]: With dead ends: 647 [2024-11-10 14:53:52,748 INFO L226 Difference]: Without dead ends: 647 [2024-11-10 14:53:52,748 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 14:53:52,749 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 14:53:52,749 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 14:53:52,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-10 14:53:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 644. [2024-11-10 14:53:52,763 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 14:53:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 876 transitions. [2024-11-10 14:53:52,765 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 876 transitions. Word has length 194 [2024-11-10 14:53:52,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:52,766 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 876 transitions. [2024-11-10 14:53:52,767 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 14:53:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 876 transitions. [2024-11-10 14:53:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:53:52,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:52,769 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 14:53:52,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:53:52,770 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:52,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:52,770 INFO L85 PathProgramCache]: Analyzing trace with hash -116934224, now seen corresponding path program 1 times [2024-11-10 14:53:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:52,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217137452] [2024-11-10 14:53:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:52,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:53:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:53:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:53:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:53:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:53,303 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 14:53:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217137452] [2024-11-10 14:53:53,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217137452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:53,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:53:53,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:53:53,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088392968] [2024-11-10 14:53:53,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:53,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:53:53,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:53,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:53:53,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:53:53,306 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 14:53:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:54,096 INFO L93 Difference]: Finished difference Result 657 states and 900 transitions. [2024-11-10 14:53:54,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 14:53:54,096 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 14:53:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:54,099 INFO L225 Difference]: With dead ends: 657 [2024-11-10 14:53:54,099 INFO L226 Difference]: Without dead ends: 657 [2024-11-10 14:53:54,100 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 14:53:54,100 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 14:53:54,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2690 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 14:53:54,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-10 14:53:54,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 652. [2024-11-10 14:53:54,111 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 14:53:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 886 transitions. [2024-11-10 14:53:54,113 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 886 transitions. Word has length 195 [2024-11-10 14:53:54,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:54,113 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 886 transitions. [2024-11-10 14:53:54,114 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 14:53:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 886 transitions. [2024-11-10 14:53:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:53:54,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:54,116 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 14:53:54,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:53:54,116 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:54,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:54,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1160594614, now seen corresponding path program 1 times [2024-11-10 14:53:54,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:54,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094284369] [2024-11-10 14:53:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:54,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:54,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:53:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:54,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:53:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:53:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:54,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:53:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:54,953 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 14:53:54,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:54,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094284369] [2024-11-10 14:53:54,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094284369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:53:54,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363227368] [2024-11-10 14:53:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:53:54,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:54,957 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 14:53:54,959 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 14:53:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:55,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 14:53:55,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:53:55,703 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 14:53:55,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:53:55,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363227368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:53:55,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:53:55,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 14:53:55,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828362456] [2024-11-10 14:53:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:53:55,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:53:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:53:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:53:55,706 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 14:53:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:55,923 INFO L93 Difference]: Finished difference Result 709 states and 965 transitions. [2024-11-10 14:53:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:53:55,924 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 14:53:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:55,927 INFO L225 Difference]: With dead ends: 709 [2024-11-10 14:53:55,927 INFO L226 Difference]: Without dead ends: 709 [2024-11-10 14:53:55,927 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 14:53:55,928 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 14:53:55,928 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 14:53:55,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-10 14:53:55,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 655. [2024-11-10 14:53:55,939 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 14:53:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 892 transitions. [2024-11-10 14:53:55,942 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 892 transitions. Word has length 195 [2024-11-10 14:53:55,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:55,943 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 892 transitions. [2024-11-10 14:53:55,943 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 14:53:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 892 transitions. [2024-11-10 14:53:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 14:53:55,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:55,946 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 14:53:55,970 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 14:53:56,146 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 14:53:56,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:56,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:56,147 INFO L85 PathProgramCache]: Analyzing trace with hash -478673994, now seen corresponding path program 1 times [2024-11-10 14:53:56,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:56,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063386697] [2024-11-10 14:53:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:56,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:53:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:57,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:53:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:57,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 14:53:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 14:53:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 14:53:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:57,758 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 14:53:57,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:57,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063386697] [2024-11-10 14:53:57,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063386697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:53:57,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380862906] [2024-11-10 14:53:57,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:53:57,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:57,761 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 14:53:57,765 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 14:53:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:58,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 14:53:58,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:53:58,642 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 14:53:58,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:53:58,755 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 14:53:58,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380862906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:53:58,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:53:58,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-10 14:53:58,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955397167] [2024-11-10 14:53:58,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:53:58,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 14:53:58,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:53:58,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 14:53:58,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 14:53:58,758 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 14:53:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:53:59,516 INFO L93 Difference]: Finished difference Result 720 states and 984 transitions. [2024-11-10 14:53:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 14:53:59,517 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 14:53:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:53:59,520 INFO L225 Difference]: With dead ends: 720 [2024-11-10 14:53:59,520 INFO L226 Difference]: Without dead ends: 720 [2024-11-10 14:53:59,521 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 14:53:59,521 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 14:53:59,521 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 14:53:59,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-10 14:53:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 664. [2024-11-10 14:53:59,532 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 14:53:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 906 transitions. [2024-11-10 14:53:59,534 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 906 transitions. Word has length 199 [2024-11-10 14:53:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:53:59,534 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 906 transitions. [2024-11-10 14:53:59,535 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 14:53:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 906 transitions. [2024-11-10 14:53:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 14:53:59,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:53:59,537 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 14:53:59,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 14:53:59,738 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 14:53:59,738 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:53:59,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:53:59,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1889882294, now seen corresponding path program 2 times [2024-11-10 14:53:59,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:53:59,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094239363] [2024-11-10 14:53:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:59,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:01,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:54:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:01,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 14:54:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:54:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:01,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:54:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:01,254 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 14:54:01,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:01,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094239363] [2024-11-10 14:54:01,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094239363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:54:01,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383515635] [2024-11-10 14:54:01,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:54:01,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:54:01,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:54:01,258 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 14:54:01,260 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 14:54:02,348 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:54:02,349 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:54:02,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 14:54:02,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:54:02,741 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 14:54:02,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:54:07,383 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 14:54:07,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383515635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:54:07,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:54:07,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 25 [2024-11-10 14:54:07,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230461407] [2024-11-10 14:54:07,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:54:07,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 14:54:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 14:54:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2024-11-10 14:54:07,386 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 14:54:09,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:09,113 INFO L93 Difference]: Finished difference Result 737 states and 1010 transitions. [2024-11-10 14:54:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 14:54:09,114 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 14:54:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:09,116 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:54:09,116 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 14:54:09,117 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 14:54:09,117 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1249 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:09,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 5480 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 14:54:09,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 14:54:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 673. [2024-11-10 14:54:09,129 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 14:54:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:54:09,131 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 207 [2024-11-10 14:54:09,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:09,132 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:54:09,132 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 14:54:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:54:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-10 14:54:09,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:09,135 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 14:54:09,167 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 14:54:09,336 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 14:54:09,336 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:09,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:09,337 INFO L85 PathProgramCache]: Analyzing trace with hash -406609010, now seen corresponding path program 3 times [2024-11-10 14:54:09,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:09,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718391529] [2024-11-10 14:54:09,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:10,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:54:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:11,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 14:54:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:11,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 14:54:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:11,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 14:54:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:11,287 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 14:54:11,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:11,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718391529] [2024-11-10 14:54:11,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718391529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:54:11,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964181310] [2024-11-10 14:54:11,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 14:54:11,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:54:11,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:54:11,290 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 14:54:11,292 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 14:54:11,869 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 14:54:11,869 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:54:11,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:54:11,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:54:12,312 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 14:54:12,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:54:12,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964181310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:12,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:54:12,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-10 14:54:12,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747082582] [2024-11-10 14:54:12,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:12,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:54:12,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:54:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-10 14:54:12,316 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 14:54:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:12,799 INFO L93 Difference]: Finished difference Result 683 states and 927 transitions. [2024-11-10 14:54:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:54:12,799 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 14:54:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:12,802 INFO L225 Difference]: With dead ends: 683 [2024-11-10 14:54:12,802 INFO L226 Difference]: Without dead ends: 683 [2024-11-10 14:54:12,802 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 14:54:12,803 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:12,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2356 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 14:54:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-10 14:54:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-10 14:54:12,822 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 14:54:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:54:12,824 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 225 [2024-11-10 14:54:12,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:12,825 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:54:12,825 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 14:54:12,825 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:54:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:54:12,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:12,828 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 14:54:12,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 14:54:13,028 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 14:54:13,029 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:13,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:13,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2123404347, now seen corresponding path program 1 times [2024-11-10 14:54:13,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:13,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280018268] [2024-11-10 14:54:13,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:54:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:13,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:54:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:13,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:54:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:13,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:54:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:13,937 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 14:54:13,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:13,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280018268] [2024-11-10 14:54:13,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280018268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:13,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:13,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 14:54:13,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138667824] [2024-11-10 14:54:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:13,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:54:13,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:13,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:54:13,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:54:13,940 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 14:54:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:15,047 INFO L93 Difference]: Finished difference Result 695 states and 943 transitions. [2024-11-10 14:54:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:54:15,048 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 14:54:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:15,051 INFO L225 Difference]: With dead ends: 695 [2024-11-10 14:54:15,051 INFO L226 Difference]: Without dead ends: 695 [2024-11-10 14:54:15,051 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 14:54:15,052 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 19 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:54:15,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 14:54:15,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-10 14:54:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2024-11-10 14:54:15,067 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 14:54:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 933 transitions. [2024-11-10 14:54:15,070 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 933 transitions. Word has length 226 [2024-11-10 14:54:15,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:15,070 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 933 transitions. [2024-11-10 14:54:15,070 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 14:54:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 933 transitions. [2024-11-10 14:54:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:54:15,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:15,072 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 14:54:15,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:54:15,073 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:15,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:15,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1417281535, now seen corresponding path program 1 times [2024-11-10 14:54:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:15,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164124861] [2024-11-10 14:54:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:54:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:54:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:54:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:54:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:17,224 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 14:54:17,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:17,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164124861] [2024-11-10 14:54:17,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164124861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:54:17,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564765982] [2024-11-10 14:54:17,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:17,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:54:17,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:54:17,227 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 14:54:17,229 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 14:54:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:18,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 14:54:18,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:54:18,393 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 14:54:18,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:54:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564765982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:18,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:54:18,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-10 14:54:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433110012] [2024-11-10 14:54:18,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:18,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:54:18,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:54:18,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:54:18,396 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 14:54:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:18,948 INFO L93 Difference]: Finished difference Result 707 states and 959 transitions. [2024-11-10 14:54:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:54:18,949 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 14:54:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:18,951 INFO L225 Difference]: With dead ends: 707 [2024-11-10 14:54:18,951 INFO L226 Difference]: Without dead ends: 707 [2024-11-10 14:54:18,952 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 14:54:18,952 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 14:54:18,953 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 14:54:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-10 14:54:18,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 697. [2024-11-10 14:54:18,962 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 14:54:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 945 transitions. [2024-11-10 14:54:18,964 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 945 transitions. Word has length 226 [2024-11-10 14:54:18,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:18,965 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 945 transitions. [2024-11-10 14:54:18,965 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 14:54:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 945 transitions. [2024-11-10 14:54:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:54:18,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:18,967 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 14:54:18,993 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 14:54:19,167 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 14:54:19,168 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:19,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:19,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1462155903, now seen corresponding path program 1 times [2024-11-10 14:54:19,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:19,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229162615] [2024-11-10 14:54:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 14:54:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 14:54:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:54:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:20,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 14:54:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:54:20,026 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 14:54:20,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:54:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229162615] [2024-11-10 14:54:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229162615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:54:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:54:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 14:54:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443016501] [2024-11-10 14:54:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:54:20,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:54:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:54:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:54:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 14:54:20,029 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 14:54:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:54:20,834 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-10 14:54:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:54:20,835 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 14:54:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:54:20,837 INFO L225 Difference]: With dead ends: 717 [2024-11-10 14:54:20,837 INFO L226 Difference]: Without dead ends: 717 [2024-11-10 14:54:20,837 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 14:54:20,838 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 14:54:20,838 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 14:54:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-10 14:54:20,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2024-11-10 14:54:20,849 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 14:54:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 951 transitions. [2024-11-10 14:54:20,851 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 951 transitions. Word has length 227 [2024-11-10 14:54:20,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:54:20,851 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 951 transitions. [2024-11-10 14:54:20,851 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 14:54:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 951 transitions. [2024-11-10 14:54:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:54:20,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:54:20,853 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 14:54:20,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:54:20,853 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:54:20,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:54:20,854 INFO L85 PathProgramCache]: Analyzing trace with hash 654053227, now seen corresponding path program 1 times [2024-11-10 14:54:20,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:54:20,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419166824] [2024-11-10 14:54:20,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:54:20,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:54:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat