./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3061b6dc 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_FNV_nondet_test2-1.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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:13:35,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:13:35,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-19 06:13:35,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:13:35,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:13:35,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:13:35,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:13:35,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:13:35,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:13:35,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:13:35,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:13:35,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:13:35,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:13:35,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:13:35,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:13:35,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:13:35,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:13:35,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:13:35,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:13:35,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:13:35,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:13:35,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:13:35,488 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:13:35,488 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:13:35,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:13:35,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:13:35,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:13:35,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:13:35,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:13:35,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:13:35,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:13:35,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:13:35,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:13:35,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:13:35,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:13:35,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:13:35,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:13:35,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:13:35,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:13:35,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:13:35,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:13:35,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:13:35,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:13:35,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:13:35,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:13:35,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-19 06:13:35,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:13:35,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:13:35,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:13:35,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:13:35,733 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:13:35,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-19 06:13:37,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:13:37,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:13:37,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-19 06:13:37,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3ef95c3/2c06d1b953b64f71bd99ddfd04521900/FLAG53a4659ec [2024-11-19 06:13:37,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3ef95c3/2c06d1b953b64f71bd99ddfd04521900 [2024-11-19 06:13:37,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:13:37,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:13:37,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:13:37,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:13:37,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:13:37,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:37,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cdc648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37, skipping insertion in model container [2024-11-19 06:13:37,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:37,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:13:37,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,762 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:13:37,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:13:37,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:13:37,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:13:37,951 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:13:37,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37 WrapperNode [2024-11-19 06:13:37,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:13:37,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:13:37,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:13:37,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:13:37,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:37,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,035 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1279 [2024-11-19 06:13:38,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:13:38,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:13:38,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:13:38,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:13:38,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,120 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-19 06:13:38,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:13:38,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:13:38,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:13:38,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:13:38,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (1/1) ... [2024-11-19 06:13:38,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:13:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:13:38,262 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) [2024-11-19 06:13:38,265 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 [2024-11-19 06:13:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 06:13:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 06:13:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 06:13:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 06:13:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 06:13:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 06:13:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:13:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 06:13:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 06:13:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 06:13:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:13:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 06:13:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 06:13:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 06:13:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 06:13:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 06:13:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 06:13:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:13:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:13:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 06:13:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 06:13:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 06:13:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 06:13:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 06:13:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 06:13:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:13:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:13:38,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:13:38,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:13:39,539 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-19 06:13:39,540 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:13:39,585 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:13:39,585 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-19 06:13:39,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:13:39 BoogieIcfgContainer [2024-11-19 06:13:39,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:13:39,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:13:39,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:13:39,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:13:39,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:13:37" (1/3) ... [2024-11-19 06:13:39,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5201f8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:13:39, skipping insertion in model container [2024-11-19 06:13:39,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:13:37" (2/3) ... [2024-11-19 06:13:39,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5201f8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:13:39, skipping insertion in model container [2024-11-19 06:13:39,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:13:39" (3/3) ... [2024-11-19 06:13:39,600 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test2-1.i [2024-11-19 06:13:39,613 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:13:39,613 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 06:13:39,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:13:39,663 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;@809e32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:13:39,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 06:13:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 362 states have (on average 1.6215469613259668) internal successors, (587), 364 states have internal predecessors, (587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 06:13:39,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:39,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 06:13:39,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:39,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:39,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1665797, now seen corresponding path program 1 times [2024-11-19 06:13:39,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:39,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055238674] [2024-11-19 06:13:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:13:39,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:39,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055238674] [2024-11-19 06:13:39,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055238674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:39,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:39,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:13:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904757397] [2024-11-19 06:13:39,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:39,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:13:39,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:39,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:13:39,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:13:39,945 INFO L87 Difference]: Start difference. First operand has 369 states, 362 states have (on average 1.6215469613259668) internal successors, (587), 364 states have internal predecessors, (587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-11-19 06:13:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:40,253 INFO L93 Difference]: Finished difference Result 533 states and 774 transitions. [2024-11-19 06:13:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:13:40,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2024-11-19 06:13:40,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:40,270 INFO L225 Difference]: With dead ends: 533 [2024-11-19 06:13:40,270 INFO L226 Difference]: Without dead ends: 529 [2024-11-19 06:13:40,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:13:40,275 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 240 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:40,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1550 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 06:13:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-19 06:13:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 526. [2024-11-19 06:13:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 520 states have (on average 1.4615384615384615) internal successors, (760), 521 states have internal predecessors, (760), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 766 transitions. [2024-11-19 06:13:40,343 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 766 transitions. Word has length 4 [2024-11-19 06:13:40,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:40,345 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 766 transitions. [2024-11-19 06:13:40,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-11-19 06:13:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 766 transitions. [2024-11-19 06:13:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 06:13:40,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:40,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:13:40,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:13:40,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:40,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:40,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1562403199, now seen corresponding path program 1 times [2024-11-19 06:13:40,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:40,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328634621] [2024-11-19 06:13:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:40,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:13:40,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:40,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328634621] [2024-11-19 06:13:40,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328634621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:40,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:40,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:13:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650548436] [2024-11-19 06:13:40,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:40,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:13:40,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:40,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:13:40,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:13:40,595 INFO L87 Difference]: Start difference. First operand 526 states and 766 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-19 06:13:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:40,689 INFO L93 Difference]: Finished difference Result 532 states and 758 transitions. [2024-11-19 06:13:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:13:40,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2024-11-19 06:13:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:40,693 INFO L225 Difference]: With dead ends: 532 [2024-11-19 06:13:40,693 INFO L226 Difference]: Without dead ends: 532 [2024-11-19 06:13:40,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:13:40,695 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 105 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:40,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1410 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:13:40,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-19 06:13:40,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 526. [2024-11-19 06:13:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 520 states have (on average 1.4346153846153846) internal successors, (746), 521 states have internal predecessors, (746), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 752 transitions. [2024-11-19 06:13:40,728 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 752 transitions. Word has length 67 [2024-11-19 06:13:40,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:40,728 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 752 transitions. [2024-11-19 06:13:40,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-19 06:13:40,728 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 752 transitions. [2024-11-19 06:13:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 06:13:40,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:40,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:13:40,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:13:40,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:40,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash -672253965, now seen corresponding path program 1 times [2024-11-19 06:13:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526625801] [2024-11-19 06:13:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:13:41,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:41,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526625801] [2024-11-19 06:13:41,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526625801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:41,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:41,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 06:13:41,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970533666] [2024-11-19 06:13:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:41,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 06:13:41,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:41,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 06:13:41,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:13:41,180 INFO L87 Difference]: Start difference. First operand 526 states and 752 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2024-11-19 06:13:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:41,330 INFO L93 Difference]: Finished difference Result 725 states and 1037 transitions. [2024-11-19 06:13:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:13:41,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 67 [2024-11-19 06:13:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:41,333 INFO L225 Difference]: With dead ends: 725 [2024-11-19 06:13:41,333 INFO L226 Difference]: Without dead ends: 722 [2024-11-19 06:13:41,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-19 06:13:41,334 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 504 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:41,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 2518 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:13:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-19 06:13:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 368. [2024-11-19 06:13:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 362 states have (on average 1.430939226519337) internal successors, (518), 363 states have internal predecessors, (518), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 524 transitions. [2024-11-19 06:13:41,346 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 524 transitions. Word has length 67 [2024-11-19 06:13:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:41,347 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 524 transitions. [2024-11-19 06:13:41,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2024-11-19 06:13:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 524 transitions. [2024-11-19 06:13:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 06:13:41,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:41,348 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:13:41,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:13:41,349 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:41,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash 158487370, now seen corresponding path program 1 times [2024-11-19 06:13:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:41,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376523923] [2024-11-19 06:13:41,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:41,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:13:41,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:41,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376523923] [2024-11-19 06:13:41,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376523923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:41,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:41,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:13:41,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854093954] [2024-11-19 06:13:41,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:41,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:13:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:13:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:13:41,558 INFO L87 Difference]: Start difference. First operand 368 states and 524 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-19 06:13:41,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:41,626 INFO L93 Difference]: Finished difference Result 326 states and 447 transitions. [2024-11-19 06:13:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:13:41,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 86 [2024-11-19 06:13:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:41,628 INFO L225 Difference]: With dead ends: 326 [2024-11-19 06:13:41,628 INFO L226 Difference]: Without dead ends: 326 [2024-11-19 06:13:41,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:13:41,632 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 30 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:41,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1241 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:13:41,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-19 06:13:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-11-19 06:13:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.378125) internal successors, (441), 321 states have internal predecessors, (441), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 447 transitions. [2024-11-19 06:13:41,641 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 447 transitions. Word has length 86 [2024-11-19 06:13:41,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:41,642 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 447 transitions. [2024-11-19 06:13:41,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-19 06:13:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 447 transitions. [2024-11-19 06:13:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 06:13:41,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:41,645 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:13:41,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:13:41,645 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:41,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:41,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1370986562, now seen corresponding path program 1 times [2024-11-19 06:13:41,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:41,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907380071] [2024-11-19 06:13:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:13:41,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:41,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907380071] [2024-11-19 06:13:41,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907380071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:41,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:41,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:13:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940487983] [2024-11-19 06:13:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:41,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:13:41,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:13:41,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:13:41,763 INFO L87 Difference]: Start difference. First operand 326 states and 447 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-19 06:13:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:41,802 INFO L93 Difference]: Finished difference Result 555 states and 766 transitions. [2024-11-19 06:13:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:13:41,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2024-11-19 06:13:41,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:41,804 INFO L225 Difference]: With dead ends: 555 [2024-11-19 06:13:41,804 INFO L226 Difference]: Without dead ends: 555 [2024-11-19 06:13:41,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:13:41,805 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 258 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:41,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1052 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:13:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-19 06:13:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 549. [2024-11-19 06:13:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 543 states have (on average 1.3922651933701657) internal successors, (756), 544 states have internal predecessors, (756), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 762 transitions. [2024-11-19 06:13:41,818 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 762 transitions. Word has length 86 [2024-11-19 06:13:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:41,819 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 762 transitions. [2024-11-19 06:13:41,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2024-11-19 06:13:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 762 transitions. [2024-11-19 06:13:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 06:13:41,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:41,821 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] [2024-11-19 06:13:41,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:13:41,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:41,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:41,822 INFO L85 PathProgramCache]: Analyzing trace with hash -917459945, now seen corresponding path program 1 times [2024-11-19 06:13:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:41,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291140306] [2024-11-19 06:13:41,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:41,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 06:13:42,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:42,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291140306] [2024-11-19 06:13:42,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291140306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:42,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:13:42,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:13:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457838583] [2024-11-19 06:13:42,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:42,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:13:42,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:42,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:13:42,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:13:42,048 INFO L87 Difference]: Start difference. First operand 549 states and 762 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-11-19 06:13:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:42,089 INFO L93 Difference]: Finished difference Result 549 states and 756 transitions. [2024-11-19 06:13:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:13:42,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 101 [2024-11-19 06:13:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:42,092 INFO L225 Difference]: With dead ends: 549 [2024-11-19 06:13:42,093 INFO L226 Difference]: Without dead ends: 549 [2024-11-19 06:13:42,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:13:42,094 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:42,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 844 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:13:42,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-19 06:13:42,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-11-19 06:13:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 543 states have (on average 1.3812154696132597) internal successors, (750), 544 states have internal predecessors, (750), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 756 transitions. [2024-11-19 06:13:42,110 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 756 transitions. Word has length 101 [2024-11-19 06:13:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:42,111 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 756 transitions. [2024-11-19 06:13:42,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-11-19 06:13:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 756 transitions. [2024-11-19 06:13:42,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 06:13:42,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:42,112 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] [2024-11-19 06:13:42,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:13:42,113 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:42,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:42,113 INFO L85 PathProgramCache]: Analyzing trace with hash -424833771, now seen corresponding path program 1 times [2024-11-19 06:13:42,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231664097] [2024-11-19 06:13:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:13:42,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231664097] [2024-11-19 06:13:42,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231664097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:13:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058481822] [2024-11-19 06:13:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:42,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:13:42,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:13:42,468 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) [2024-11-19 06:13:42,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 06:13:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:42,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-19 06:13:42,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:13:42,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 06:13:42,776 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 [2024-11-19 06:13:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 06:13:43,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 06:13:43,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058481822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:13:43,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 06:13:43,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 06:13:43,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53879759] [2024-11-19 06:13:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:13:43,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 06:13:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:13:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 06:13:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 06:13:43,578 INFO L87 Difference]: Start difference. First operand 549 states and 756 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-11-19 06:13:44,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:13:44,825 INFO L93 Difference]: Finished difference Result 781 states and 1077 transitions. [2024-11-19 06:13:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 06:13:44,826 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 101 [2024-11-19 06:13:44,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:13:44,829 INFO L225 Difference]: With dead ends: 781 [2024-11-19 06:13:44,829 INFO L226 Difference]: Without dead ends: 781 [2024-11-19 06:13:44,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-19 06:13:44,830 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 547 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 06:13:44,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 2234 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 06:13:44,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-19 06:13:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 549. [2024-11-19 06:13:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 543 states have (on average 1.3793738489871086) internal successors, (749), 544 states have internal predecessors, (749), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:13:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 755 transitions. [2024-11-19 06:13:44,842 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 755 transitions. Word has length 101 [2024-11-19 06:13:44,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:13:44,843 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 755 transitions. [2024-11-19 06:13:44,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-11-19 06:13:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 755 transitions. [2024-11-19 06:13:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 06:13:44,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:13:44,844 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] [2024-11-19 06:13:44,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 06:13:45,048 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 [2024-11-19 06:13:45,049 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-19 06:13:45,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:13:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1125796442, now seen corresponding path program 1 times [2024-11-19 06:13:45,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:13:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398533130] [2024-11-19 06:13:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:13:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:13:45,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:13:45,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398533130] [2024-11-19 06:13:45,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398533130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:13:45,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096067471] [2024-11-19 06:13:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:13:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:13:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:13:45,380 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) [2024-11-19 06:13:45,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 06:13:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:13:45,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 06:13:45,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:14:37,772 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-19 06:14:59,878 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-19 06:15:13,696 WARN L286 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)