./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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 14:52:02,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:52:02,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-10 14:52:02,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:52:02,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:52:02,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:52:02,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:52:02,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:52:02,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:52:02,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:52:02,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:52:02,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:52:02,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:52:02,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:52:02,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:52:02,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:52:02,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:52:02,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:52:02,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:52:02,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:52:02,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:52:02,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:52:02,206 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:52:02,206 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:52:02,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:52:02,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:52:02,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:52:02,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:52:02,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:52:02,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:52:02,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:52:02,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:52:02,208 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:52:02,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:52:02,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:52:02,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:52:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:52:02,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:52:02,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:52:02,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:52:02,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:52:02,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:52:02,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:52:02,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:52:02,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:52:02,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-10 14:52:02,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:52:02,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:52:02,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:52:02,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:52:02,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:52:02,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i [2024-11-10 14:52:03,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:52:04,246 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:52:04,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-1.i [2024-11-10 14:52:04,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1135301b5/42ea2c0e1ee5415ebb87dcd42152e844/FLAGb27e46d09 [2024-11-10 14:52:04,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1135301b5/42ea2c0e1ee5415ebb87dcd42152e844 [2024-11-10 14:52:04,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:52:04,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:52:04,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:52:04,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:52:04,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:52:04,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:52:04" (1/1) ... [2024-11-10 14:52:04,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353f4343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:04, skipping insertion in model container [2024-11-10 14:52:04,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:52:04" (1/1) ... [2024-11-10 14:52:04,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:52:04,989 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 14:52:05,027 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 14:52:05,030 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:52:05,033 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 14:52:05,039 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 14:52:05,064 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 14:52:05,071 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 14:52:05,075 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 14:52:05,080 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 14:52:05,088 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 14:52:05,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:52:05,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:52:05,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:52:05,247 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:52:05,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05 WrapperNode [2024-11-10 14:52:05,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:52:05,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:52:05,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:52:05,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:52:05,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,363 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1517 [2024-11-10 14:52:05,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:52:05,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:52:05,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:52:05,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:52:05,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,482 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 14:52:05,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:52:05,571 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:52:05,573 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:52:05,573 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:52:05,573 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (1/1) ... [2024-11-10 14:52:05,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:52:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:05,607 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 14:52:05,610 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 14:52:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 14:52:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 14:52:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 14:52:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 14:52:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:52:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:52:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:52:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:52:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:52:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 14:52:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 14:52:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:52:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:52:05,885 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:52:05,888 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:52:07,496 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-10 14:52:07,500 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:52:07,564 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:52:07,568 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 14:52:07,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:52:07 BoogieIcfgContainer [2024-11-10 14:52:07,569 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:52:07,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:52:07,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:52:07,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:52:07,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:52:04" (1/3) ... [2024-11-10 14:52:07,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188354e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:52:07, skipping insertion in model container [2024-11-10 14:52:07,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:52:05" (2/3) ... [2024-11-10 14:52:07,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188354e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:52:07, skipping insertion in model container [2024-11-10 14:52:07,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:52:07" (3/3) ... [2024-11-10 14:52:07,579 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test4-1.i [2024-11-10 14:52:07,596 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:52:07,596 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:52:07,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:52:07,664 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;@4e8b47a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:52:07,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:52:07,670 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 14:52:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 14:52:07,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:07,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 14:52:07,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:07,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 715672427, now seen corresponding path program 1 times [2024-11-10 14:52:07,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:07,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893386580] [2024-11-10 14:52:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:07,910 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 14:52:07,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893386580] [2024-11-10 14:52:07,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893386580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:07,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:07,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:52:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818703934] [2024-11-10 14:52:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:07,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:52:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:07,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:52:07,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:52:07,980 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 14:52:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:08,251 INFO L93 Difference]: Finished difference Result 428 states and 608 transitions. [2024-11-10 14:52:08,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:52:08,254 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 14:52:08,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:08,268 INFO L225 Difference]: With dead ends: 428 [2024-11-10 14:52:08,269 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 14:52:08,270 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 14:52:08,275 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 17 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 14:52:08,276 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 14:52:08,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 14:52:08,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-10 14:52:08,352 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 14:52:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2024-11-10 14:52:08,359 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 5 [2024-11-10 14:52:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:08,359 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2024-11-10 14:52:08,359 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 14:52:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2024-11-10 14:52:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 14:52:08,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:08,360 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:52:08,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:52:08,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:08,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:08,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1191825280, now seen corresponding path program 1 times [2024-11-10 14:52:08,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:08,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67588375] [2024-11-10 14:52:08,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:08,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:08,527 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 14:52:08,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:08,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67588375] [2024-11-10 14:52:08,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67588375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:08,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:08,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:52:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385580195] [2024-11-10 14:52:08,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:08,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:52:08,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:52:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:52:08,532 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 14:52:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:08,935 INFO L93 Difference]: Finished difference Result 737 states and 1066 transitions. [2024-11-10 14:52:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:52:08,936 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 14:52:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:08,940 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:52:08,940 INFO L226 Difference]: Without dead ends: 734 [2024-11-10 14:52:08,940 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 14:52:08,941 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 469 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 14:52:08,942 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 14:52:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-10 14:52:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-10 14:52:08,966 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 14:52:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1063 transitions. [2024-11-10 14:52:08,970 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1063 transitions. Word has length 13 [2024-11-10 14:52:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:08,970 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1063 transitions. [2024-11-10 14:52:08,970 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 14:52:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1063 transitions. [2024-11-10 14:52:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:52:08,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:08,978 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 14:52:08,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:52:08,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:08,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1871507067, now seen corresponding path program 1 times [2024-11-10 14:52:08,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:08,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018341447] [2024-11-10 14:52:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:52:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:09,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:52:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:09,727 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 14:52:09,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:09,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018341447] [2024-11-10 14:52:09,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018341447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:09,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:09,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:52:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607459421] [2024-11-10 14:52:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:09,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:52:09,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:09,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:52:09,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:52:09,735 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 14:52:10,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:10,302 INFO L93 Difference]: Finished difference Result 743 states and 1067 transitions. [2024-11-10 14:52:10,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:52:10,303 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 14:52:10,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:10,309 INFO L225 Difference]: With dead ends: 743 [2024-11-10 14:52:10,310 INFO L226 Difference]: Without dead ends: 743 [2024-11-10 14:52:10,310 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 14:52:10,313 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 108 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:10,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1868 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 14:52:10,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-10 14:52:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 734. [2024-11-10 14:52:10,335 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 14:52:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1049 transitions. [2024-11-10 14:52:10,338 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1049 transitions. Word has length 175 [2024-11-10 14:52:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:10,339 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1049 transitions. [2024-11-10 14:52:10,340 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 14:52:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1049 transitions. [2024-11-10 14:52:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 14:52:10,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:10,350 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 14:52:10,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:52:10,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:10,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash -811027948, now seen corresponding path program 1 times [2024-11-10 14:52:10,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:10,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808159033] [2024-11-10 14:52:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:10,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:10,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 14:52:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:10,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 14:52:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:10,662 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 14:52:10,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:10,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808159033] [2024-11-10 14:52:10,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808159033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:10,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:10,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:52:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187282009] [2024-11-10 14:52:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:10,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:52:10,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:10,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:52:10,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:52:10,664 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 14:52:11,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:11,089 INFO L93 Difference]: Finished difference Result 735 states and 1058 transitions. [2024-11-10 14:52:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:52:11,090 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 14:52:11,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:11,094 INFO L225 Difference]: With dead ends: 735 [2024-11-10 14:52:11,094 INFO L226 Difference]: Without dead ends: 735 [2024-11-10 14:52:11,094 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 14:52:11,095 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 137 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:11,097 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 14:52:11,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-10 14:52:11,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-10 14:52:11,114 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 14:52:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1046 transitions. [2024-11-10 14:52:11,117 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1046 transitions. Word has length 175 [2024-11-10 14:52:11,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:11,118 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1046 transitions. [2024-11-10 14:52:11,118 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 14:52:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1046 transitions. [2024-11-10 14:52:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:52:11,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:11,124 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 14:52:11,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:52:11,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:11,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1371109113, now seen corresponding path program 1 times [2024-11-10 14:52:11,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:11,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922343060] [2024-11-10 14:52:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:11,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:52:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:11,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:52:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:11,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:52:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:52:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:11,549 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 14:52:11,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:11,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922343060] [2024-11-10 14:52:11,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922343060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:11,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:11,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:52:11,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422008934] [2024-11-10 14:52:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:11,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:52:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:11,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:52:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:52:11,555 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 14:52:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:12,678 INFO L93 Difference]: Finished difference Result 741 states and 1050 transitions. [2024-11-10 14:52:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:52:12,679 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 14:52:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:12,683 INFO L225 Difference]: With dead ends: 741 [2024-11-10 14:52:12,683 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 14:52:12,683 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 14:52:12,684 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 108 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:12,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1847 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 14:52:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 14:52:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 732. [2024-11-10 14:52:12,702 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 14:52:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1032 transitions. [2024-11-10 14:52:12,704 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1032 transitions. Word has length 190 [2024-11-10 14:52:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:12,705 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1032 transitions. [2024-11-10 14:52:12,705 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 14:52:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1032 transitions. [2024-11-10 14:52:12,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 14:52:12,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:12,708 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 14:52:12,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:52:12,708 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:12,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1622398062, now seen corresponding path program 1 times [2024-11-10 14:52:12,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:12,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834978456] [2024-11-10 14:52:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:13,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:52:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:52:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:52:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:52:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:13,129 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 14:52:13,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834978456] [2024-11-10 14:52:13,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834978456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:13,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:13,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:52:13,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905741233] [2024-11-10 14:52:13,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:13,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:52:13,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:52:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:52:13,132 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 14:52:14,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:14,077 INFO L93 Difference]: Finished difference Result 744 states and 1053 transitions. [2024-11-10 14:52:14,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:52:14,078 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 14:52:14,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:14,081 INFO L225 Difference]: With dead ends: 744 [2024-11-10 14:52:14,083 INFO L226 Difference]: Without dead ends: 744 [2024-11-10 14:52:14,083 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 14:52:14,085 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 920 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:14,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2086 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 14:52:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-10 14:52:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 734. [2024-11-10 14:52:14,100 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 14:52:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2024-11-10 14:52:14,103 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 190 [2024-11-10 14:52:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:14,104 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2024-11-10 14:52:14,104 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 14:52:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2024-11-10 14:52:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:52:14,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:14,107 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 14:52:14,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:52:14,108 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:14,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash 15422295, now seen corresponding path program 1 times [2024-11-10 14:52:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242939227] [2024-11-10 14:52:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:52:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:52:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:52:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:52:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,125 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 14:52:15,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:15,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242939227] [2024-11-10 14:52:15,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242939227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441972917] [2024-11-10 14:52:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:15,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:15,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:15,128 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 14:52:15,130 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 14:52:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:15,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 14:52:15,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:15,780 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 14:52:16,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:52:16,418 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 14:52:16,691 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 14:52:16,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:52:16,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441972917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:16,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:52:16,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-10 14:52:16,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789452702] [2024-11-10 14:52:16,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:16,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:52:16,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:52:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:52:16,695 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 14:52:19,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:19,468 INFO L93 Difference]: Finished difference Result 840 states and 1171 transitions. [2024-11-10 14:52:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:52:19,468 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 14:52:19,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:19,472 INFO L225 Difference]: With dead ends: 840 [2024-11-10 14:52:19,472 INFO L226 Difference]: Without dead ends: 840 [2024-11-10 14:52:19,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:52:19,474 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 829 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:19,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2865 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 14:52:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-10 14:52:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 765. [2024-11-10 14:52:19,488 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 14:52:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1071 transitions. [2024-11-10 14:52:19,491 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1071 transitions. Word has length 192 [2024-11-10 14:52:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:19,492 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1071 transitions. [2024-11-10 14:52:19,492 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 14:52:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1071 transitions. [2024-11-10 14:52:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:52:19,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:19,494 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 14:52:19,519 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 14:52:19,694 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 14:52:19,695 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:19,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:19,698 INFO L85 PathProgramCache]: Analyzing trace with hash 264700696, now seen corresponding path program 1 times [2024-11-10 14:52:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:19,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955137372] [2024-11-10 14:52:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:19,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:52:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:19,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:52:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:52:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:52:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:19,996 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 14:52:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:19,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955137372] [2024-11-10 14:52:19,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955137372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:19,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:52:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796799901] [2024-11-10 14:52:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:19,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:52:19,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:52:19,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:52:19,999 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 14:52:20,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:20,445 INFO L93 Difference]: Finished difference Result 784 states and 1097 transitions. [2024-11-10 14:52:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:52:20,446 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 14:52:20,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:20,449 INFO L225 Difference]: With dead ends: 784 [2024-11-10 14:52:20,450 INFO L226 Difference]: Without dead ends: 784 [2024-11-10 14:52:20,450 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 14:52:20,451 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 5 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:20,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1451 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:52:20,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-10 14:52:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2024-11-10 14:52:20,466 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 14:52:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1083 transitions. [2024-11-10 14:52:20,469 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1083 transitions. Word has length 192 [2024-11-10 14:52:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:20,469 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1083 transitions. [2024-11-10 14:52:20,469 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 14:52:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1083 transitions. [2024-11-10 14:52:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 14:52:20,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:20,471 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 14:52:20,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:52:20,472 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:20,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:20,472 INFO L85 PathProgramCache]: Analyzing trace with hash -696924519, now seen corresponding path program 1 times [2024-11-10 14:52:20,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:20,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509439032] [2024-11-10 14:52:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:20,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 14:52:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:20,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 14:52:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 14:52:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 14:52:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:20,732 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 14:52:20,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:20,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509439032] [2024-11-10 14:52:20,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509439032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:20,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:20,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:52:20,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453686776] [2024-11-10 14:52:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:20,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:52:20,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:52:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:52:20,734 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 14:52:21,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:21,203 INFO L93 Difference]: Finished difference Result 641 states and 884 transitions. [2024-11-10 14:52:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:52:21,204 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 14:52:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:21,206 INFO L225 Difference]: With dead ends: 641 [2024-11-10 14:52:21,206 INFO L226 Difference]: Without dead ends: 641 [2024-11-10 14:52:21,207 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 14:52:21,208 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 12 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:21,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1652 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:52:21,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-10 14:52:21,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 638. [2024-11-10 14:52:21,223 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 14:52:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2024-11-10 14:52:21,225 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 192 [2024-11-10 14:52:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:21,225 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2024-11-10 14:52:21,225 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 14:52:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2024-11-10 14:52:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 14:52:21,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:21,228 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 14:52:21,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:52:21,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:21,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -980281356, now seen corresponding path program 1 times [2024-11-10 14:52:21,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075685521] [2024-11-10 14:52:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 14:52:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 14:52:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 14:52:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 14:52:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,176 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 14:52:22,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:22,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075685521] [2024-11-10 14:52:22,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075685521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:22,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315677736] [2024-11-10 14:52:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:22,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:22,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:22,179 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 14:52:22,181 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 14:52:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:22,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 14:52:22,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:22,840 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 14:52:22,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:52:22,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315677736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:22,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:52:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-10 14:52:22,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792006668] [2024-11-10 14:52:22,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:22,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:52:22,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:52:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:52:22,842 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 14:52:23,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:23,041 INFO L93 Difference]: Finished difference Result 638 states and 870 transitions. [2024-11-10 14:52:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:52:23,042 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 14:52:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:23,044 INFO L225 Difference]: With dead ends: 638 [2024-11-10 14:52:23,045 INFO L226 Difference]: Without dead ends: 638 [2024-11-10 14:52:23,045 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 14:52:23,045 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 13 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 14:52:23,046 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 14:52:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-10 14:52:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-10 14:52:23,056 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 14:52:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 870 transitions. [2024-11-10 14:52:23,058 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 870 transitions. Word has length 193 [2024-11-10 14:52:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:23,058 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 870 transitions. [2024-11-10 14:52:23,058 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 14:52:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 870 transitions. [2024-11-10 14:52:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 14:52:23,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:23,060 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 14:52:23,082 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 14:52:23,261 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 14:52:23,262 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:23,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:23,262 INFO L85 PathProgramCache]: Analyzing trace with hash 510809428, now seen corresponding path program 1 times [2024-11-10 14:52:23,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:23,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287418780] [2024-11-10 14:52:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 14:52:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 14:52:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 14:52:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:52:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:23,752 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 14:52:23,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:23,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287418780] [2024-11-10 14:52:23,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287418780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:23,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:52:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119292565] [2024-11-10 14:52:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:23,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:52:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:52:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:52:23,755 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 14:52:24,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:24,394 INFO L93 Difference]: Finished difference Result 647 states and 888 transitions. [2024-11-10 14:52:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:52:24,395 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 14:52:24,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:24,398 INFO L225 Difference]: With dead ends: 647 [2024-11-10 14:52:24,398 INFO L226 Difference]: Without dead ends: 647 [2024-11-10 14:52:24,398 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 14:52:24,398 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 14:52:24,399 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 14:52:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-10 14:52:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 644. [2024-11-10 14:52:24,410 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 14:52:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 876 transitions. [2024-11-10 14:52:24,413 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 876 transitions. Word has length 194 [2024-11-10 14:52:24,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:24,413 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 876 transitions. [2024-11-10 14:52:24,413 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 14:52:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 876 transitions. [2024-11-10 14:52:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:52:24,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:24,416 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 14:52:24,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:52:24,416 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:24,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash -116934224, now seen corresponding path program 1 times [2024-11-10 14:52:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:24,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848588652] [2024-11-10 14:52:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:52:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:52:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:24,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:52:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:52:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:24,900 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 14:52:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:24,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848588652] [2024-11-10 14:52:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848588652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 14:52:24,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708739052] [2024-11-10 14:52:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:24,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:52:24,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:24,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:52:24,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:52:24,903 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 14:52:25,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:25,671 INFO L93 Difference]: Finished difference Result 657 states and 900 transitions. [2024-11-10 14:52:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 14:52:25,671 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 14:52:25,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:25,674 INFO L225 Difference]: With dead ends: 657 [2024-11-10 14:52:25,674 INFO L226 Difference]: Without dead ends: 657 [2024-11-10 14:52:25,674 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 14:52:25,675 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 11 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2690 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:25,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2690 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 14:52:25,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-10 14:52:25,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 652. [2024-11-10 14:52:25,689 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 14:52:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 886 transitions. [2024-11-10 14:52:25,691 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 886 transitions. Word has length 195 [2024-11-10 14:52:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:25,691 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 886 transitions. [2024-11-10 14:52:25,692 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 14:52:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 886 transitions. [2024-11-10 14:52:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 14:52:25,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:25,695 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:52:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:52:25,695 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:25,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1160594614, now seen corresponding path program 1 times [2024-11-10 14:52:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658837340] [2024-11-10 14:52:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:52:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 14:52:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:26,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 14:52:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 14:52:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:26,538 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 14:52:26,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658837340] [2024-11-10 14:52:26,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658837340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510698465] [2024-11-10 14:52:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:26,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:26,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:26,541 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 14:52:26,542 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 14:52:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:27,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 14:52:27,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:27,278 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 14:52:27,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:52:27,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510698465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:27,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:52:27,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 14:52:27,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502419138] [2024-11-10 14:52:27,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:27,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:52:27,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:27,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:52:27,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:52:27,283 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 14:52:27,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:27,497 INFO L93 Difference]: Finished difference Result 709 states and 965 transitions. [2024-11-10 14:52:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:52:27,497 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 14:52:27,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:27,500 INFO L225 Difference]: With dead ends: 709 [2024-11-10 14:52:27,500 INFO L226 Difference]: Without dead ends: 709 [2024-11-10 14:52:27,501 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 14:52:27,501 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 14:52:27,502 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 14:52:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-10 14:52:27,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 655. [2024-11-10 14:52:27,530 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 14:52:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 892 transitions. [2024-11-10 14:52:27,532 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 892 transitions. Word has length 195 [2024-11-10 14:52:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:27,532 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 892 transitions. [2024-11-10 14:52:27,533 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 14:52:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 892 transitions. [2024-11-10 14:52:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 14:52:27,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:27,535 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 14:52:27,560 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 14:52:27,736 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 14:52:27,737 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:27,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:27,737 INFO L85 PathProgramCache]: Analyzing trace with hash -478673994, now seen corresponding path program 1 times [2024-11-10 14:52:27,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:27,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168060455] [2024-11-10 14:52:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:27,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:52:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:29,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 14:52:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 14:52:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 14:52:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:29,296 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 14:52:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:29,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168060455] [2024-11-10 14:52:29,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168060455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:29,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320931497] [2024-11-10 14:52:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:29,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:29,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:29,300 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 14:52:29,301 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 14:52:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:30,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 14:52:30,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:30,348 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 14:52:30,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:52:30,463 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 14:52:30,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320931497] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:52:30,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:52:30,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-10 14:52:30,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395334804] [2024-11-10 14:52:30,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:52:30,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 14:52:30,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 14:52:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 14:52:30,467 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 14:52:31,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:31,184 INFO L93 Difference]: Finished difference Result 720 states and 984 transitions. [2024-11-10 14:52:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 14:52:31,184 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 14:52:31,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:31,187 INFO L225 Difference]: With dead ends: 720 [2024-11-10 14:52:31,187 INFO L226 Difference]: Without dead ends: 720 [2024-11-10 14:52:31,188 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 14:52:31,188 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 14:52:31,188 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 14:52:31,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-10 14:52:31,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 664. [2024-11-10 14:52:31,200 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 14:52:31,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 906 transitions. [2024-11-10 14:52:31,202 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 906 transitions. Word has length 199 [2024-11-10 14:52:31,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:31,202 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 906 transitions. [2024-11-10 14:52:31,202 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 14:52:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 906 transitions. [2024-11-10 14:52:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-10 14:52:31,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:31,205 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 14:52:31,228 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 14:52:31,405 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 14:52:31,406 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:31,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1889882294, now seen corresponding path program 2 times [2024-11-10 14:52:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711476613] [2024-11-10 14:52:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:52:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 14:52:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 14:52:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:52:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:32,751 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 14:52:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:32,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711476613] [2024-11-10 14:52:32,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711476613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162744288] [2024-11-10 14:52:32,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:52:32,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:32,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:32,755 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 14:52:32,756 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 14:52:33,793 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:52:33,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:52:33,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 14:52:33,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:34,243 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 14:52:34,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:52:38,978 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 14:52:38,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162744288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:52:38,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:52:38,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 25 [2024-11-10 14:52:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101550216] [2024-11-10 14:52:38,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:52:38,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 14:52:38,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 14:52:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2024-11-10 14:52:38,982 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 14:52:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:40,641 INFO L93 Difference]: Finished difference Result 737 states and 1010 transitions. [2024-11-10 14:52:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 14:52:40,642 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 14:52:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:40,645 INFO L225 Difference]: With dead ends: 737 [2024-11-10 14:52:40,646 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 14:52:40,646 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 14:52:40,647 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1249 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 5480 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:40,647 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 14:52:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 14:52:40,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 673. [2024-11-10 14:52:40,658 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 14:52:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:52:40,660 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 207 [2024-11-10 14:52:40,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:40,660 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:52:40,660 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 14:52:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:52:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-10 14:52:40,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:40,664 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 14:52:40,692 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 14:52:40,864 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 14:52:40,865 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:40,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash -406609010, now seen corresponding path program 3 times [2024-11-10 14:52:40,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:40,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951656154] [2024-11-10 14:52:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:40,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 14:52:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 14:52:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:42,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 14:52:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:42,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 14:52:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:42,752 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 14:52:42,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:42,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951656154] [2024-11-10 14:52:42,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951656154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:42,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928721471] [2024-11-10 14:52:42,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 14:52:42,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:42,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:42,756 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 14:52:42,757 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 14:52:43,435 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 14:52:43,436 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:52:43,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:52:43,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:43,848 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 14:52:43,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:52:43,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928721471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:43,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:52:43,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-10 14:52:43,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209279701] [2024-11-10 14:52:43,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:43,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:52:43,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:43,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:52:43,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-10 14:52:43,852 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 14:52:44,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:44,438 INFO L93 Difference]: Finished difference Result 683 states and 927 transitions. [2024-11-10 14:52:44,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:52:44,439 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 14:52:44,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:44,441 INFO L225 Difference]: With dead ends: 683 [2024-11-10 14:52:44,441 INFO L226 Difference]: Without dead ends: 683 [2024-11-10 14:52:44,442 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 14:52:44,442 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 8 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:44,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2356 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 14:52:44,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-10 14:52:44,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-10 14:52:44,454 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 14:52:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-10 14:52:44,456 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 225 [2024-11-10 14:52:44,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:44,456 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-10 14:52:44,456 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 14:52:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-10 14:52:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:52:44,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:44,459 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 14:52:44,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 14:52:44,659 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 14:52:44,660 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:44,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2123404347, now seen corresponding path program 1 times [2024-11-10 14:52:44,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:44,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920953801] [2024-11-10 14:52:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:45,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:52:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:52:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:52:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:45,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:52:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:45,471 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 14:52:45,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920953801] [2024-11-10 14:52:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920953801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 14:52:45,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924112943] [2024-11-10 14:52:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:45,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:52:45,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:45,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:52:45,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:52:45,474 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 14:52:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:46,202 INFO L93 Difference]: Finished difference Result 695 states and 943 transitions. [2024-11-10 14:52:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:52:46,203 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 14:52:46,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:46,206 INFO L225 Difference]: With dead ends: 695 [2024-11-10 14:52:46,206 INFO L226 Difference]: Without dead ends: 695 [2024-11-10 14:52:46,206 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 14:52:46,207 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 19 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 14:52:46,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 14:52:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-10 14:52:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2024-11-10 14:52:46,221 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 14:52:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 933 transitions. [2024-11-10 14:52:46,223 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 933 transitions. Word has length 226 [2024-11-10 14:52:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:46,223 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 933 transitions. [2024-11-10 14:52:46,223 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 14:52:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 933 transitions. [2024-11-10 14:52:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 14:52:46,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:46,225 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 14:52:46,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:52:46,226 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:46,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:46,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1417281535, now seen corresponding path program 1 times [2024-11-10 14:52:46,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:46,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389608362] [2024-11-10 14:52:46,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 14:52:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 14:52:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 14:52:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 14:52:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:48,219 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 14:52:48,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389608362] [2024-11-10 14:52:48,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389608362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:52:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230746719] [2024-11-10 14:52:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:48,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:52:48,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:52:48,222 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 14:52:48,224 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 14:52:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:49,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 14:52:49,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:52:49,363 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 14:52:49,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:52:49,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230746719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:49,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:52:49,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-10 14:52:49,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392423108] [2024-11-10 14:52:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:49,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:52:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:52:49,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:52:49,366 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 14:52:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:49,946 INFO L93 Difference]: Finished difference Result 707 states and 959 transitions. [2024-11-10 14:52:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:52:49,947 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 14:52:49,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:49,950 INFO L225 Difference]: With dead ends: 707 [2024-11-10 14:52:49,950 INFO L226 Difference]: Without dead ends: 707 [2024-11-10 14:52:49,950 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 14:52:49,951 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 14:52:49,951 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 14:52:49,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-10 14:52:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 697. [2024-11-10 14:52:49,961 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 14:52:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 945 transitions. [2024-11-10 14:52:49,963 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 945 transitions. Word has length 226 [2024-11-10 14:52:49,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:49,963 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 945 transitions. [2024-11-10 14:52:49,963 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 14:52:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 945 transitions. [2024-11-10 14:52:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:52:49,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:49,965 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 14:52:49,991 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 14:52:50,165 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 14:52:50,167 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:50,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1462155903, now seen corresponding path program 1 times [2024-11-10 14:52:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887675826] [2024-11-10 14:52:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 14:52:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 14:52:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:52:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 14:52:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:52:51,014 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 14:52:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:52:51,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887675826] [2024-11-10 14:52:51,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887675826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:52:51,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:52:51,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 14:52:51,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775082111] [2024-11-10 14:52:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:52:51,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 14:52:51,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:52:51,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 14:52:51,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 14:52:51,016 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 14:52:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:52:51,827 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-10 14:52:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:52:51,827 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 14:52:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:52:51,829 INFO L225 Difference]: With dead ends: 717 [2024-11-10 14:52:51,829 INFO L226 Difference]: Without dead ends: 717 [2024-11-10 14:52:51,829 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 14:52:51,830 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 14:52:51,830 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 14:52:51,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-10 14:52:51,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2024-11-10 14:52:51,840 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 14:52:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 951 transitions. [2024-11-10 14:52:51,842 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 951 transitions. Word has length 227 [2024-11-10 14:52:51,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:52:51,842 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 951 transitions. [2024-11-10 14:52:51,842 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 14:52:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 951 transitions. [2024-11-10 14:52:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 14:52:51,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:52:51,844 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 14:52:51,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 14:52:51,844 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:52:51,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:52:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash 654053227, now seen corresponding path program 1 times [2024-11-10 14:52:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:52:51,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976120947] [2024-11-10 14:52:51,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:52:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:52:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 14:53:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:06,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 14:53:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 14:53:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 14:53:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 390 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-10 14:53:06,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:53:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976120947] [2024-11-10 14:53:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976120947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:53:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965266647] [2024-11-10 14:53:06,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:53:06,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:53:06,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:53:06,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:53:06,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 14:53:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:53:07,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 201 conjuncts are in the unsatisfiable core [2024-11-10 14:53:07,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:53:07,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-10 14:53:07,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-10 14:53:08,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-10 14:53:08,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-10 14:53:08,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 14:53:08,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 14:53:08,404 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-10 14:53:08,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-10 14:53:08,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 14:53:08,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-10 14:53:08,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-10 14:53:08,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3