./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:09:39,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:09:39,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:09:39,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:09:39,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:09:39,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:09:39,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:09:39,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:09:39,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:09:39,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:09:39,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:09:39,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:09:39,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:09:39,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:09:39,504 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:09:39,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:09:39,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:09:39,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:09:39,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:09:39,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:09:39,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:09:39,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:09:39,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:09:39,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:09:39,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:09:39,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:09:39,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:09:39,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:09:39,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:09:39,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:09:39,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:09:39,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:09:39,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:09:39,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:09:39,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:09:39,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:09:39,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:09:39,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:09:39,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:09:39,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:09:39,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:09:39,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:09:39,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:09:39,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:09:39,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-10-24 23:09:39,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:09:39,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:09:39,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:09:39,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:09:39,746 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:09:39,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-10-24 23:09:41,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:09:41,296 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:09:41,296 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-10-24 23:09:41,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8907e4dbe/8a6d1482c57949daa3faecf42774e587/FLAGa8b1a79da [2024-10-24 23:09:41,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8907e4dbe/8a6d1482c57949daa3faecf42774e587 [2024-10-24 23:09:41,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:09:41,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:09:41,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:09:41,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:09:41,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:09:41,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:41" (1/1) ... [2024-10-24 23:09:41,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed4fd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:41, skipping insertion in model container [2024-10-24 23:09:41,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:41" (1/1) ... [2024-10-24 23:09:41,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:09:41,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:09:41,879 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:09:41,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:09:42,035 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:09:42,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42 WrapperNode [2024-10-24 23:09:42,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:09:42,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:09:42,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:09:42,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:09:42,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,118 INFO L138 Inliner]: procedures = 282, calls = 290, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1478 [2024-10-24 23:09:42,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:09:42,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:09:42,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:09:42,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:09:42,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,216 INFO L175 MemorySlicer]: Split 259 memory accesses to 4 slices as follows [2, 3, 34, 220]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 2, 4, 49]. [2024-10-24 23:09:42,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:09:42,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:09:42,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:09:42,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:09:42,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (1/1) ... [2024-10-24 23:09:42,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:09:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:42,302 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) [2024-10-24 23:09:42,304 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 [2024-10-24 23:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 23:09:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 23:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:09:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-24 23:09:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:09:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:09:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 23:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:09:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-24 23:09:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-24 23:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:09:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 23:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-24 23:09:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-24 23:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:09:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 23:09:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:09:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:09:42,511 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:09:42,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:09:43,696 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-10-24 23:09:43,696 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:09:43,739 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:09:43,739 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-24 23:09:43,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:43 BoogieIcfgContainer [2024-10-24 23:09:43,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:09:43,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:09:43,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:09:43,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:09:43,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:09:41" (1/3) ... [2024-10-24 23:09:43,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a66565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:43, skipping insertion in model container [2024-10-24 23:09:43,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:42" (2/3) ... [2024-10-24 23:09:43,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a66565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:43, skipping insertion in model container [2024-10-24 23:09:43,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:43" (3/3) ... [2024-10-24 23:09:43,748 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-1.i [2024-10-24 23:09:43,759 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:09:43,759 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-24 23:09:43,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:09:43,879 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=LoopHeads, 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;@58044285, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:09:43,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-24 23:09:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 23:09:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:09:43,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:43,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:09:43,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:43,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:43,893 INFO L85 PathProgramCache]: Analyzing trace with hash 608439599, now seen corresponding path program 1 times [2024-10-24 23:09:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:43,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351268270] [2024-10-24 23:09:43,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:44,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351268270] [2024-10-24 23:09:44,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351268270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:44,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:44,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:09:44,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414516622] [2024-10-24 23:09:44,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:44,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:09:44,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:44,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:09:44,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:09:44,041 INFO L87 Difference]: Start difference. First operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:09:44,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:44,120 INFO L93 Difference]: Finished difference Result 898 states and 1422 transitions. [2024-10-24 23:09:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:09:44,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-24 23:09:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:44,136 INFO L225 Difference]: With dead ends: 898 [2024-10-24 23:09:44,138 INFO L226 Difference]: Without dead ends: 435 [2024-10-24 23:09:44,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:09:44,147 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:44,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:09:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-24 23:09:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-10-24 23:09:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 407 states have (on average 1.457002457002457) internal successors, (593), 421 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:09:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-10-24 23:09:44,203 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 6 [2024-10-24 23:09:44,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:44,203 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-10-24 23:09:44,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:09:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-10-24 23:09:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:09:44,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:44,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:09:44,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:09:44,205 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:44,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:44,205 INFO L85 PathProgramCache]: Analyzing trace with hash 608441521, now seen corresponding path program 1 times [2024-10-24 23:09:44,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:44,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061015117] [2024-10-24 23:09:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:09:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648041709] [2024-10-24 23:09:44,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:44,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:44,246 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) [2024-10-24 23:09:44,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:09:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:44,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 23:09:44,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:44,427 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 [2024-10-24 23:09:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:44,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:09:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061015117] [2024-10-24 23:09:44,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:09:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648041709] [2024-10-24 23:09:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648041709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:44,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:09:44,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825735312] [2024-10-24 23:09:44,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:44,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:44,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:44,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:44,454 INFO L87 Difference]: Start difference. First operand 435 states and 613 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:09:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:44,567 INFO L93 Difference]: Finished difference Result 841 states and 1198 transitions. [2024-10-24 23:09:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:09:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-24 23:09:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:44,571 INFO L225 Difference]: With dead ends: 841 [2024-10-24 23:09:44,571 INFO L226 Difference]: Without dead ends: 839 [2024-10-24 23:09:44,572 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 [2024-10-24 23:09:44,572 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 560 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:44,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1839 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-24 23:09:44,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 441. [2024-10-24 23:09:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4527845036319613) internal successors, (600), 427 states have internal predecessors, (600), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:09:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2024-10-24 23:09:44,589 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 6 [2024-10-24 23:09:44,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:44,589 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2024-10-24 23:09:44,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:09:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2024-10-24 23:09:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:09:44,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:44,592 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] [2024-10-24 23:09:44,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 23:09:44,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:44,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:44,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:44,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2006626720, now seen corresponding path program 1 times [2024-10-24 23:09:44,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:44,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558978984] [2024-10-24 23:09:44,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:45,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:45,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558978984] [2024-10-24 23:09:45,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558978984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:45,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:45,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:09:45,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129036104] [2024-10-24 23:09:45,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:45,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:45,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:45,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:45,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:45,026 INFO L87 Difference]: Start difference. First operand 441 states and 620 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:45,155 INFO L93 Difference]: Finished difference Result 878 states and 1235 transitions. [2024-10-24 23:09:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:09:45,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 23:09:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:45,158 INFO L225 Difference]: With dead ends: 878 [2024-10-24 23:09:45,158 INFO L226 Difference]: Without dead ends: 444 [2024-10-24 23:09:45,158 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 [2024-10-24 23:09:45,161 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 105 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:45,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1643 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-24 23:09:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 441. [2024-10-24 23:09:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4358353510895885) internal successors, (593), 427 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:09:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2024-10-24 23:09:45,178 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 62 [2024-10-24 23:09:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:45,179 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2024-10-24 23:09:45,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2024-10-24 23:09:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:09:45,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:45,181 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] [2024-10-24 23:09:45,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:09:45,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:45,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:45,182 INFO L85 PathProgramCache]: Analyzing trace with hash 942426772, now seen corresponding path program 1 times [2024-10-24 23:09:45,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:45,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445247138] [2024-10-24 23:09:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:45,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:45,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:45,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445247138] [2024-10-24 23:09:45,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445247138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:45,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:45,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:09:45,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878415224] [2024-10-24 23:09:45,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:45,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:45,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:45,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:45,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:45,332 INFO L87 Difference]: Start difference. First operand 441 states and 613 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:45,384 INFO L93 Difference]: Finished difference Result 857 states and 1202 transitions. [2024-10-24 23:09:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:09:45,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 23:09:45,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:45,388 INFO L225 Difference]: With dead ends: 857 [2024-10-24 23:09:45,388 INFO L226 Difference]: Without dead ends: 855 [2024-10-24 23:09:45,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:09:45,389 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 530 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:45,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1765 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:09:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-24 23:09:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 843. [2024-10-24 23:09:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 805 states have (on average 1.439751552795031) internal successors, (1159), 820 states have internal predecessors, (1159), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (21), 16 states have call predecessors, (21), 18 states have call successors, (21) [2024-10-24 23:09:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1198 transitions. [2024-10-24 23:09:45,404 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1198 transitions. Word has length 62 [2024-10-24 23:09:45,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:45,404 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1198 transitions. [2024-10-24 23:09:45,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1198 transitions. [2024-10-24 23:09:45,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 23:09:45,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:45,406 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] [2024-10-24 23:09:45,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:09:45,407 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:45,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash -849541099, now seen corresponding path program 1 times [2024-10-24 23:09:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:45,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989395483] [2024-10-24 23:09:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:45,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:45,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989395483] [2024-10-24 23:09:45,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989395483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:45,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:45,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:09:45,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347883247] [2024-10-24 23:09:45,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:45,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:45,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:45,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:45,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:45,539 INFO L87 Difference]: Start difference. First operand 843 states and 1198 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:45,591 INFO L93 Difference]: Finished difference Result 1404 states and 2004 transitions. [2024-10-24 23:09:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:09:45,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-24 23:09:45,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:45,595 INFO L225 Difference]: With dead ends: 1404 [2024-10-24 23:09:45,596 INFO L226 Difference]: Without dead ends: 1402 [2024-10-24 23:09:45,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:09:45,596 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 461 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:45,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 1775 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:09:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-24 23:09:45,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-10-24 23:09:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1350 states have (on average 1.4466666666666668) internal successors, (1953), 1366 states have internal predecessors, (1953), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-10-24 23:09:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2002 transitions. [2024-10-24 23:09:45,616 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2002 transitions. Word has length 63 [2024-10-24 23:09:45,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:45,617 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2002 transitions. [2024-10-24 23:09:45,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:09:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2002 transitions. [2024-10-24 23:09:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 23:09:45,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:45,618 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, 1, 1, 1, 1] [2024-10-24 23:09:45,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:09:45,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:45,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2121850464, now seen corresponding path program 1 times [2024-10-24 23:09:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814375523] [2024-10-24 23:09:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814375523] [2024-10-24 23:09:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814375523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:45,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:45,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:09:45,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840289568] [2024-10-24 23:09:45,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:45,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:45,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:45,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:45,744 INFO L87 Difference]: Start difference. First operand 1394 states and 2002 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:09:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:45,850 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2024-10-24 23:09:45,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:09:45,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-10-24 23:09:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:45,854 INFO L225 Difference]: With dead ends: 1422 [2024-10-24 23:09:45,854 INFO L226 Difference]: Without dead ends: 1420 [2024-10-24 23:09:45,855 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 [2024-10-24 23:09:45,855 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 505 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:45,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1725 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:45,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-10-24 23:09:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1411. [2024-10-24 23:09:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4434654919236416) internal successors, (1966), 1379 states have internal predecessors, (1966), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-24 23:09:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2021 transitions. [2024-10-24 23:09:45,877 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2021 transitions. Word has length 71 [2024-10-24 23:09:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:45,878 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2021 transitions. [2024-10-24 23:09:45,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:09:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2021 transitions. [2024-10-24 23:09:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 23:09:45,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:45,879 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, 1, 1] [2024-10-24 23:09:45,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:09:45,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:45,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1041853275, now seen corresponding path program 1 times [2024-10-24 23:09:45,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:45,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889706328] [2024-10-24 23:09:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:46,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:46,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889706328] [2024-10-24 23:09:46,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889706328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:46,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:46,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:09:46,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837456789] [2024-10-24 23:09:46,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:46,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:46,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:46,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:46,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:09:46,034 INFO L87 Difference]: Start difference. First operand 1411 states and 2021 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-24 23:09:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:46,151 INFO L93 Difference]: Finished difference Result 2623 states and 3774 transitions. [2024-10-24 23:09:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:09:46,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-10-24 23:09:46,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:46,158 INFO L225 Difference]: With dead ends: 2623 [2024-10-24 23:09:46,158 INFO L226 Difference]: Without dead ends: 2230 [2024-10-24 23:09:46,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:09:46,159 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 554 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:46,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1741 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-10-24 23:09:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1411. [2024-10-24 23:09:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4427312775330396) internal successors, (1965), 1379 states have internal predecessors, (1965), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-24 23:09:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2020 transitions. [2024-10-24 23:09:46,198 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2020 transitions. Word has length 69 [2024-10-24 23:09:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:46,198 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2020 transitions. [2024-10-24 23:09:46,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-24 23:09:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2020 transitions. [2024-10-24 23:09:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:09:46,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:46,199 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:09:46,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:09:46,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:46,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:46,200 INFO L85 PathProgramCache]: Analyzing trace with hash 760083501, now seen corresponding path program 1 times [2024-10-24 23:09:46,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:46,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514078031] [2024-10-24 23:09:46,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:46,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:09:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:46,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:46,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514078031] [2024-10-24 23:09:46,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514078031] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:46,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435290082] [2024-10-24 23:09:46,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:46,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:46,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:46,490 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) [2024-10-24 23:09:46,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:09:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:46,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:09:46,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:46,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:09:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:46,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435290082] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:09:46,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:09:46,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-24 23:09:46,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312508538] [2024-10-24 23:09:46,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:09:46,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 23:09:46,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:47,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 23:09:47,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-24 23:09:47,000 INFO L87 Difference]: Start difference. First operand 1411 states and 2020 transitions. Second operand has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 23:09:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:48,122 INFO L93 Difference]: Finished difference Result 3902 states and 5586 transitions. [2024-10-24 23:09:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 23:09:48,122 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2024-10-24 23:09:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:48,133 INFO L225 Difference]: With dead ends: 3902 [2024-10-24 23:09:48,133 INFO L226 Difference]: Without dead ends: 3900 [2024-10-24 23:09:48,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=430, Invalid=1130, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 23:09:48,135 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2935 mSDsluCounter, 8293 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:48,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 8948 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 23:09:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-10-24 23:09:48,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3422. [2024-10-24 23:09:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3422 states, 3311 states have (on average 1.438236182422229) internal successors, (4762), 3330 states have internal predecessors, (4762), 73 states have call successors, (73), 30 states have call predecessors, (73), 24 states have return successors, (99), 61 states have call predecessors, (99), 73 states have call successors, (99) [2024-10-24 23:09:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 4934 transitions. [2024-10-24 23:09:48,245 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 4934 transitions. Word has length 79 [2024-10-24 23:09:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:48,246 INFO L471 AbstractCegarLoop]: Abstraction has 3422 states and 4934 transitions. [2024-10-24 23:09:48,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 23:09:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 4934 transitions. [2024-10-24 23:09:48,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:09:48,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:48,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:09:48,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:09:48,451 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,SelfDestructingSolverStorable7 [2024-10-24 23:09:48,452 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:48,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:48,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1771772127, now seen corresponding path program 1 times [2024-10-24 23:09:48,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:48,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360688579] [2024-10-24 23:09:48,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:48,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:48,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:48,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360688579] [2024-10-24 23:09:48,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360688579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:48,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:48,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:09:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644931516] [2024-10-24 23:09:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:48,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:09:48,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:09:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:09:48,579 INFO L87 Difference]: Start difference. First operand 3422 states and 4934 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:09:48,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:48,691 INFO L93 Difference]: Finished difference Result 7400 states and 10707 transitions. [2024-10-24 23:09:48,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:09:48,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-24 23:09:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:48,703 INFO L225 Difference]: With dead ends: 7400 [2024-10-24 23:09:48,703 INFO L226 Difference]: Without dead ends: 3985 [2024-10-24 23:09:48,707 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 [2024-10-24 23:09:48,707 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 373 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:48,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1358 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2024-10-24 23:09:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3968. [2024-10-24 23:09:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3864 states have (on average 1.4474637681159421) internal successors, (5593), 3882 states have internal predecessors, (5593), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-24 23:09:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5752 transitions. [2024-10-24 23:09:48,777 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5752 transitions. Word has length 80 [2024-10-24 23:09:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:48,778 INFO L471 AbstractCegarLoop]: Abstraction has 3968 states and 5752 transitions. [2024-10-24 23:09:48,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:09:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5752 transitions. [2024-10-24 23:09:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 23:09:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:48,779 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-10-24 23:09:48,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:09:48,779 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:48,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:48,779 INFO L85 PathProgramCache]: Analyzing trace with hash -175259048, now seen corresponding path program 1 times [2024-10-24 23:09:48,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:48,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426977510] [2024-10-24 23:09:48,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:09:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:09:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:09:49,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:49,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426977510] [2024-10-24 23:09:49,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426977510] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:49,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850311387] [2024-10-24 23:09:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:49,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:49,072 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) [2024-10-24 23:09:49,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:09:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:09:49,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:49,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:09:49,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850311387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:49,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:09:49,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-24 23:09:49,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892520836] [2024-10-24 23:09:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:49,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:09:49,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:49,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:09:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:09:49,313 INFO L87 Difference]: Start difference. First operand 3968 states and 5752 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 23:09:49,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:49,361 INFO L93 Difference]: Finished difference Result 3968 states and 5752 transitions. [2024-10-24 23:09:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:09:49,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 87 [2024-10-24 23:09:49,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:49,371 INFO L225 Difference]: With dead ends: 3968 [2024-10-24 23:09:49,371 INFO L226 Difference]: Without dead ends: 3967 [2024-10-24 23:09:49,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:09:49,372 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:49,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 595 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:09:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2024-10-24 23:09:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2024-10-24 23:09:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3864 states have (on average 1.4453933747412009) internal successors, (5585), 3881 states have internal predecessors, (5585), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-24 23:09:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 5744 transitions. [2024-10-24 23:09:49,436 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 5744 transitions. Word has length 87 [2024-10-24 23:09:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:49,437 INFO L471 AbstractCegarLoop]: Abstraction has 3967 states and 5744 transitions. [2024-10-24 23:09:49,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 23:09:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 5744 transitions. [2024-10-24 23:09:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 23:09:49,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:49,438 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-10-24 23:09:49,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 23:09:49,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:49,642 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:49,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:49,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1138063123, now seen corresponding path program 1 times [2024-10-24 23:09:49,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:49,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6710803] [2024-10-24 23:09:49,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:49,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:09:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:09:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:09:49,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:49,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6710803] [2024-10-24 23:09:49,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6710803] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:49,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770041388] [2024-10-24 23:09:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:49,946 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) [2024-10-24 23:09:49,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:09:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:50,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:09:50,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:50,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:09:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:09:50,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770041388] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:09:50,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:09:50,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-24 23:09:50,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876841934] [2024-10-24 23:09:50,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:09:50,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 23:09:50,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:50,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 23:09:50,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:09:50,514 INFO L87 Difference]: Start difference. First operand 3967 states and 5744 transitions. Second operand has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 23:09:51,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:51,257 INFO L93 Difference]: Finished difference Result 7233 states and 10445 transitions. [2024-10-24 23:09:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:09:51,258 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 88 [2024-10-24 23:09:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:51,280 INFO L225 Difference]: With dead ends: 7233 [2024-10-24 23:09:51,280 INFO L226 Difference]: Without dead ends: 7232 [2024-10-24 23:09:51,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-10-24 23:09:51,284 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3743 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3752 SdHoareTripleChecker+Valid, 4475 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:51,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3752 Valid, 4475 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:09:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2024-10-24 23:09:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 6501. [2024-10-24 23:09:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6501 states, 6319 states have (on average 1.4412090520652001) internal successors, (9107), 6337 states have internal predecessors, (9107), 117 states have call successors, (117), 62 states have call predecessors, (117), 52 states have return successors, (158), 101 states have call predecessors, (158), 117 states have call successors, (158) [2024-10-24 23:09:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6501 states to 6501 states and 9382 transitions. [2024-10-24 23:09:51,444 INFO L78 Accepts]: Start accepts. Automaton has 6501 states and 9382 transitions. Word has length 88 [2024-10-24 23:09:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:51,445 INFO L471 AbstractCegarLoop]: Abstraction has 6501 states and 9382 transitions. [2024-10-24 23:09:51,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 23:09:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6501 states and 9382 transitions. [2024-10-24 23:09:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 23:09:51,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:51,446 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-10-24 23:09:51,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 23:09:51,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:51,647 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:51,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash 55893321, now seen corresponding path program 1 times [2024-10-24 23:09:51,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:51,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705808087] [2024-10-24 23:09:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:09:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:09:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:09:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:09:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705808087] [2024-10-24 23:09:51,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705808087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:51,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:09:51,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:09:51,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188671910] [2024-10-24 23:09:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:51,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:09:51,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:51,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:09:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:09:51,961 INFO L87 Difference]: Start difference. First operand 6501 states and 9382 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:09:52,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:52,433 INFO L93 Difference]: Finished difference Result 8688 states and 12550 transitions. [2024-10-24 23:09:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:09:52,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (4), 2 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 112 [2024-10-24 23:09:52,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:52,470 INFO L225 Difference]: With dead ends: 8688 [2024-10-24 23:09:52,470 INFO L226 Difference]: Without dead ends: 8686 [2024-10-24 23:09:52,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:09:52,474 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 506 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:52,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2633 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:09:52,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2024-10-24 23:09:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 6669. [2024-10-24 23:09:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6669 states, 6478 states have (on average 1.4364001234949058) internal successors, (9305), 6497 states have internal predecessors, (9305), 126 states have call successors, (126), 62 states have call predecessors, (126), 52 states have return successors, (170), 109 states have call predecessors, (170), 126 states have call successors, (170) [2024-10-24 23:09:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 9601 transitions. [2024-10-24 23:09:52,637 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 9601 transitions. Word has length 112 [2024-10-24 23:09:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:52,637 INFO L471 AbstractCegarLoop]: Abstraction has 6669 states and 9601 transitions. [2024-10-24 23:09:52,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:09:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 9601 transitions. [2024-10-24 23:09:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 23:09:52,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:52,640 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 23:09:52,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:09:52,640 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:52,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1406251627, now seen corresponding path program 1 times [2024-10-24 23:09:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731197637] [2024-10-24 23:09:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:09:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:52,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:09:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:52,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:09:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:09:52,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:52,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731197637] [2024-10-24 23:09:52,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731197637] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:52,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198511159] [2024-10-24 23:09:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:52,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:52,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:52,930 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) [2024-10-24 23:09:52,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:09:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:53,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 23:09:53,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 23:09:53,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:09:53,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198511159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:53,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:09:53,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-24 23:09:53,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785200010] [2024-10-24 23:09:53,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:53,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:09:53,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:53,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:09:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:09:53,291 INFO L87 Difference]: Start difference. First operand 6669 states and 9601 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-24 23:09:53,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:53,469 INFO L93 Difference]: Finished difference Result 12515 states and 18057 transitions. [2024-10-24 23:09:53,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:09:53,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 118 [2024-10-24 23:09:53,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:53,480 INFO L225 Difference]: With dead ends: 12515 [2024-10-24 23:09:53,480 INFO L226 Difference]: Without dead ends: 6237 [2024-10-24 23:09:53,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:09:53,486 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 158 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:53,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 2837 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:53,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2024-10-24 23:09:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 6237. [2024-10-24 23:09:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6237 states, 6072 states have (on average 1.4400527009222661) internal successors, (8744), 6088 states have internal predecessors, (8744), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-24 23:09:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6237 states to 6237 states and 8997 transitions. [2024-10-24 23:09:53,617 INFO L78 Accepts]: Start accepts. Automaton has 6237 states and 8997 transitions. Word has length 118 [2024-10-24 23:09:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:53,618 INFO L471 AbstractCegarLoop]: Abstraction has 6237 states and 8997 transitions. [2024-10-24 23:09:53,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-24 23:09:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 8997 transitions. [2024-10-24 23:09:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 23:09:53,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:53,619 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 23:09:53,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:09:53,823 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,SelfDestructingSolverStorable12 [2024-10-24 23:09:53,824 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:53,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:53,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1072127716, now seen corresponding path program 1 times [2024-10-24 23:09:53,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:53,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861056265] [2024-10-24 23:09:53,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:53,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:09:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:09:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 23:09:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 23:09:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 23:09:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:09:54,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:54,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861056265] [2024-10-24 23:09:54,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861056265] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:54,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033666980] [2024-10-24 23:09:54,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:54,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:54,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:54,148 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) [2024-10-24 23:09:54,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:09:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:54,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 23:09:54,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:54,480 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 [2024-10-24 23:09:54,498 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 [2024-10-24 23:09:54,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-24 23:09:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:09:55,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:09:55,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033666980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:55,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:09:55,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-24 23:09:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866770819] [2024-10-24 23:09:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:55,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:09:55,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:55,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:09:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-24 23:09:55,160 INFO L87 Difference]: Start difference. First operand 6237 states and 8997 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 23:09:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:56,603 INFO L93 Difference]: Finished difference Result 14453 states and 20874 transitions. [2024-10-24 23:09:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:09:56,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 123 [2024-10-24 23:09:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:56,616 INFO L225 Difference]: With dead ends: 14453 [2024-10-24 23:09:56,616 INFO L226 Difference]: Without dead ends: 8303 [2024-10-24 23:09:56,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-24 23:09:56,623 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 828 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:56,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 3314 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 23:09:56,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8303 states. [2024-10-24 23:09:56,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8303 to 6263. [2024-10-24 23:09:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6263 states, 6098 states have (on average 1.4389963922597573) internal successors, (8775), 6114 states have internal predecessors, (8775), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-24 23:09:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 9028 transitions. [2024-10-24 23:09:56,731 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 9028 transitions. Word has length 123 [2024-10-24 23:09:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:56,731 INFO L471 AbstractCegarLoop]: Abstraction has 6263 states and 9028 transitions. [2024-10-24 23:09:56,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 23:09:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 9028 transitions. [2024-10-24 23:09:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 23:09:56,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:56,732 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 23:09:56,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 23:09:56,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:56,933 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:56,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:56,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1993915739, now seen corresponding path program 1 times [2024-10-24 23:09:56,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:56,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295190831] [2024-10-24 23:09:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:09:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:09:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:09:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 23:09:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 23:09:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:09:57,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:57,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295190831] [2024-10-24 23:09:57,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295190831] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:57,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453896713] [2024-10-24 23:09:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:57,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:57,408 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) [2024-10-24 23:09:57,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 23:09:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:57,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 23:09:57,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:09:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:09:57,818 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:09:57,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453896713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:09:57,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:09:57,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-24 23:09:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501860594] [2024-10-24 23:09:57,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:09:57,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:09:57,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:09:57,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:09:57,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:09:57,820 INFO L87 Difference]: Start difference. First operand 6263 states and 9028 transitions. Second operand has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 23:09:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:09:58,006 INFO L93 Difference]: Finished difference Result 10262 states and 14795 transitions. [2024-10-24 23:09:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:09:58,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 124 [2024-10-24 23:09:58,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:09:58,017 INFO L225 Difference]: With dead ends: 10262 [2024-10-24 23:09:58,017 INFO L226 Difference]: Without dead ends: 4158 [2024-10-24 23:09:58,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:09:58,025 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 13 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4696 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:09:58,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4696 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:09:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2024-10-24 23:09:58,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 4156. [2024-10-24 23:09:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4156 states, 4034 states have (on average 1.438522558254834) internal successors, (5803), 4053 states have internal predecessors, (5803), 66 states have call successors, (66), 45 states have call predecessors, (66), 43 states have return successors, (79), 57 states have call predecessors, (79), 66 states have call successors, (79) [2024-10-24 23:09:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5948 transitions. [2024-10-24 23:09:58,104 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5948 transitions. Word has length 124 [2024-10-24 23:09:58,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:09:58,105 INFO L471 AbstractCegarLoop]: Abstraction has 4156 states and 5948 transitions. [2024-10-24 23:09:58,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 23:09:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5948 transitions. [2024-10-24 23:09:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-24 23:09:58,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:09:58,107 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 23:09:58,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 23:09:58,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:58,308 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:09:58,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:09:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2086066645, now seen corresponding path program 1 times [2024-10-24 23:09:58,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:09:58,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725362921] [2024-10-24 23:09:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:09:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:09:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:09:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:09:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 23:09:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 23:09:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 23:09:58,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:09:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725362921] [2024-10-24 23:09:58,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725362921] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:09:58,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395643908] [2024-10-24 23:09:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:09:58,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:09:58,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:09:58,831 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) [2024-10-24 23:09:58,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 23:09:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:09:59,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 23:09:59,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:11:01,205 WARN L286 SmtUtils]: Spent 6.28s 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) [2024-10-24 23:11:17,820 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)