./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.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 beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:16:04,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:16:04,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:16:04,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:16:04,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:16:04,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:16:04,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:16:04,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:16:04,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:16:04,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:16:04,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:16:04,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:16:04,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:16:04,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:16:04,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:16:04,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:16:04,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:16:04,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:16:04,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:16:04,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:16:04,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:16:04,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:16:04,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:16:04,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:16:04,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:16:04,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:16:04,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:16:04,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:16:04,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:16:04,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:16:04,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:16:04,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:16:04,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:16:04,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:16:04,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:16:04,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:16:04,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:16:04,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:16:04,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:16:04,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d [2024-11-22 22:16:04,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:16:04,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:16:04,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:16:04,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:16:04,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:16:04,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2024-11-22 22:16:06,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:16:06,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:16:06,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2024-11-22 22:16:06,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39a7ca29b/325c889d8a5c42b59b570849ce7c9aee/FLAG88cc7f88c [2024-11-22 22:16:06,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39a7ca29b/325c889d8a5c42b59b570849ce7c9aee [2024-11-22 22:16:06,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:16:06,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:16:06,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:16:06,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:16:06,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:16:06,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3919f2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06, skipping insertion in model container [2024-11-22 22:16:06,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:16:06,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:16:06,652 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:16:06,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:16:06,726 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:16:06,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06 WrapperNode [2024-11-22 22:16:06,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:16:06,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:16:06,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:16:06,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:16:06,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,769 INFO L138 Inliner]: procedures = 164, calls = 71, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 124 [2024-11-22 22:16:06,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:16:06,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:16:06,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:16:06,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:16:06,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,802 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [10, 2]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 7 writes are split as follows [7, 0]. [2024-11-22 22:16:06,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:16:06,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:16:06,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:16:06,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:16:06,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (1/1) ... [2024-11-22 22:16:06,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:16:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:06,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:16:06,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 22:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 22:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2024-11-22 22:16:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2024-11-22 22:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 22:16:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 22:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2024-11-22 22:16:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 22:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:16:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:16:07,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:16:07,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:16:07,229 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-22 22:16:07,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:16:07,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:16:07,243 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 22:16:07,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:16:07 BoogieIcfgContainer [2024-11-22 22:16:07,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:16:07,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:16:07,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:16:07,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:16:07,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:16:06" (1/3) ... [2024-11-22 22:16:07,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa877a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:16:07, skipping insertion in model container [2024-11-22 22:16:07,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:16:06" (2/3) ... [2024-11-22 22:16:07,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa877a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:16:07, skipping insertion in model container [2024-11-22 22:16:07,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:16:07" (3/3) ... [2024-11-22 22:16:07,250 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-2.i [2024-11-22 22:16:07,265 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:16:07,265 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 22:16:07,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:16:07,326 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;@7ee790f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:16:07,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 22:16:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:16:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:16:07,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:07,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:07,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:07,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:07,343 INFO L85 PathProgramCache]: Analyzing trace with hash -496611131, now seen corresponding path program 1 times [2024-11-22 22:16:07,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121065730] [2024-11-22 22:16:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:07,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:07,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121065730] [2024-11-22 22:16:07,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121065730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:07,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:07,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:16:07,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142553309] [2024-11-22 22:16:07,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:07,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:16:07,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:07,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:16:07,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:16:07,599 INFO L87 Difference]: Start difference. First operand has 52 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:07,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:07,642 INFO L93 Difference]: Finished difference Result 96 states and 114 transitions. [2024-11-22 22:16:07,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:16:07,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-22 22:16:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:07,649 INFO L225 Difference]: With dead ends: 96 [2024-11-22 22:16:07,650 INFO L226 Difference]: Without dead ends: 60 [2024-11-22 22:16:07,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:16:07,654 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 10 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:07,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 224 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:07,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-22 22:16:07,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2024-11-22 22:16:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2024-11-22 22:16:07,683 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 12 [2024-11-22 22:16:07,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:07,683 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2024-11-22 22:16:07,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2024-11-22 22:16:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:16:07,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:07,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:07,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:16:07,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:07,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:07,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1246199204, now seen corresponding path program 1 times [2024-11-22 22:16:07,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:07,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794975316] [2024-11-22 22:16:07,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:07,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:07,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:07,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794975316] [2024-11-22 22:16:07,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794975316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:07,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:07,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:16:07,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727837593] [2024-11-22 22:16:07,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:07,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:16:07,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:16:07,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:16:07,853 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:07,876 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-22 22:16:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:16:07,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-22 22:16:07,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:07,878 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:16:07,879 INFO L226 Difference]: Without dead ends: 55 [2024-11-22 22:16:07,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:16:07,880 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:07,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 157 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:07,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-22 22:16:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2024-11-22 22:16:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2024-11-22 22:16:07,891 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 12 [2024-11-22 22:16:07,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:07,891 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2024-11-22 22:16:07,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-11-22 22:16:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:16:07,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:07,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:07,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:16:07,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:07,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash -850626574, now seen corresponding path program 1 times [2024-11-22 22:16:07,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:07,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954749907] [2024-11-22 22:16:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954749907] [2024-11-22 22:16:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954749907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:08,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:08,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:16:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727841576] [2024-11-22 22:16:08,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:08,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:16:08,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:16:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:16:08,016 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:08,067 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2024-11-22 22:16:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:16:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-22 22:16:08,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:08,068 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:16:08,068 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 22:16:08,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:16:08,070 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 7 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:08,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 260 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 22:16:08,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2024-11-22 22:16:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2024-11-22 22:16:08,075 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 16 [2024-11-22 22:16:08,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:08,076 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2024-11-22 22:16:08,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2024-11-22 22:16:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 22:16:08,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:08,077 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:08,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:16:08,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:08,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:08,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1728644910, now seen corresponding path program 1 times [2024-11-22 22:16:08,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:08,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194160731] [2024-11-22 22:16:08,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194160731] [2024-11-22 22:16:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194160731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:08,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:08,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:16:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227501909] [2024-11-22 22:16:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:08,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:16:08,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:16:08,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:16:08,214 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 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) [2024-11-22 22:16:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:08,265 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2024-11-22 22:16:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:16:08,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 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 17 [2024-11-22 22:16:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:08,269 INFO L225 Difference]: With dead ends: 82 [2024-11-22 22:16:08,269 INFO L226 Difference]: Without dead ends: 55 [2024-11-22 22:16:08,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:16:08,270 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:08,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 260 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:08,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-22 22:16:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-22 22:16:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2024-11-22 22:16:08,279 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 17 [2024-11-22 22:16:08,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:08,280 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2024-11-22 22:16:08,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 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) [2024-11-22 22:16:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2024-11-22 22:16:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:16:08,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:08,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:08,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:16:08,282 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:08,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash -721543855, now seen corresponding path program 1 times [2024-11-22 22:16:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527645357] [2024-11-22 22:16:08,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527645357] [2024-11-22 22:16:08,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527645357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:08,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:08,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:16:08,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066406712] [2024-11-22 22:16:08,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:08,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:16:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:08,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:16:08,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:16:08,370 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:08,388 INFO L93 Difference]: Finished difference Result 91 states and 105 transitions. [2024-11-22 22:16:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:16:08,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-22 22:16:08,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:08,393 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:16:08,393 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 22:16:08,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:16:08,394 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:08,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 22:16:08,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 22:16:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 42 states have internal predecessors, (47), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2024-11-22 22:16:08,400 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 16 [2024-11-22 22:16:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:08,400 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2024-11-22 22:16:08,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2024-11-22 22:16:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:16:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:08,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:08,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:16:08,401 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:08,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:08,402 INFO L85 PathProgramCache]: Analyzing trace with hash 75596699, now seen corresponding path program 1 times [2024-11-22 22:16:08,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:08,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983765980] [2024-11-22 22:16:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983765980] [2024-11-22 22:16:08,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983765980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:08,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:08,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:16:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511867582] [2024-11-22 22:16:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:08,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:16:08,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:08,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:16:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:16:08,475 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:08,511 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2024-11-22 22:16:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:16:08,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-22 22:16:08,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:08,513 INFO L225 Difference]: With dead ends: 78 [2024-11-22 22:16:08,513 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 22:16:08,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:16:08,514 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 8 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:08,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 267 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 22:16:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 22:16:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 41 states have internal predecessors, (46), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-22 22:16:08,520 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 18 [2024-11-22 22:16:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:08,520 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-22 22:16:08,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:16:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-22 22:16:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:16:08,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:08,521 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] [2024-11-22 22:16:08,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:16:08,521 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:08,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:08,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1308958790, now seen corresponding path program 1 times [2024-11-22 22:16:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:08,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035404375] [2024-11-22 22:16:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035404375] [2024-11-22 22:16:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035404375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:08,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:08,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:16:08,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731039362] [2024-11-22 22:16:08,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:08,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:16:08,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:08,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:16:08,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:16:08,614 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:08,623 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2024-11-22 22:16:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:16:08,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-11-22 22:16:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:08,624 INFO L225 Difference]: With dead ends: 87 [2024-11-22 22:16:08,624 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 22:16:08,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:16:08,625 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:08,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 22:16:08,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 22:16:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.236842105263158) internal successors, (47), 42 states have internal predecessors, (47), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-11-22 22:16:08,633 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 23 [2024-11-22 22:16:08,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:08,634 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-22 22:16:08,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-11-22 22:16:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:16:08,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:08,634 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] [2024-11-22 22:16:08,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:16:08,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:08,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:08,635 INFO L85 PathProgramCache]: Analyzing trace with hash 72903287, now seen corresponding path program 1 times [2024-11-22 22:16:08,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069269678] [2024-11-22 22:16:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:08,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:08,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069269678] [2024-11-22 22:16:08,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069269678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:08,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682831293] [2024-11-22 22:16:08,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:08,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:08,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:08,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:16:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:08,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-22 22:16:08,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:08,942 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 19 treesize of output 1 [2024-11-22 22:16:08,988 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_LDV_INIT_LIST_HEAD_~list.offset_6 Int)) (and (<= v_LDV_INIT_LIST_HEAD_~list.offset_6 |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#0| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ v_LDV_INIT_LIST_HEAD_~list.offset_6 4))) (store (store (select |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) v_LDV_INIT_LIST_HEAD_~list.offset_6 (select .cse0 v_LDV_INIT_LIST_HEAD_~list.offset_6)) .cse1 (select .cse0 .cse1)))) |c_#memory_int#0|))) is different from true [2024-11-22 22:16:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:09,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-22 22:16:09,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 19 treesize of output 7 [2024-11-22 22:16:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:16:09,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:16:09,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682831293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:09,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:16:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2024-11-22 22:16:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623788080] [2024-11-22 22:16:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:09,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:16:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:09,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:16:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=109, Unknown=1, NotChecked=20, Total=156 [2024-11-22 22:16:09,081 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:09,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:09,209 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-22 22:16:09,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:16:09,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-22 22:16:09,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:09,212 INFO L225 Difference]: With dead ends: 51 [2024-11-22 22:16:09,212 INFO L226 Difference]: Without dead ends: 50 [2024-11-22 22:16:09,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=129, Unknown=1, NotChecked=22, Total=182 [2024-11-22 22:16:09,213 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:09,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 249 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 68 Unchecked, 0.1s Time] [2024-11-22 22:16:09,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-22 22:16:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-11-22 22:16:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 41 states have internal predecessors, (46), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-22 22:16:09,221 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 24 [2024-11-22 22:16:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:09,222 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-22 22:16:09,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-22 22:16:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:16:09,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:09,222 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] [2024-11-22 22:16:09,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:16:09,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:09,423 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:09,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2034965283, now seen corresponding path program 1 times [2024-11-22 22:16:09,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:09,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530283431] [2024-11-22 22:16:09,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:09,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:09,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:09,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530283431] [2024-11-22 22:16:09,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530283431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861138202] [2024-11-22 22:16:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:09,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:09,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:09,524 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:09,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:16:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:09,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-22 22:16:09,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:09,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-22 22:16:09,704 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_LDV_INIT_LIST_HEAD_~list.offset_9 Int)) (and (= (store |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#0| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ v_LDV_INIT_LIST_HEAD_~list.offset_9 4))) (store (store (select |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) v_LDV_INIT_LIST_HEAD_~list.offset_9 (select .cse0 v_LDV_INIT_LIST_HEAD_~list.offset_9)) .cse1 (select .cse0 .cse1)))) |c_#memory_int#0|) (<= v_LDV_INIT_LIST_HEAD_~list.offset_9 |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2024-11-22 22:16:09,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:09,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-22 22:16:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:16:09,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:16:09,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861138202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:09,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:16:09,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 16 [2024-11-22 22:16:09,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070617474] [2024-11-22 22:16:09,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:09,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:16:09,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:09,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:16:09,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=177, Unknown=1, NotChecked=26, Total=240 [2024-11-22 22:16:09,800 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:09,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:09,919 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-22 22:16:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:16:09,919 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-22 22:16:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:09,921 INFO L225 Difference]: With dead ends: 51 [2024-11-22 22:16:09,921 INFO L226 Difference]: Without dead ends: 50 [2024-11-22 22:16:09,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=231, Unknown=1, NotChecked=30, Total=306 [2024-11-22 22:16:09,922 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 13 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 73 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:09,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 247 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 73 Unchecked, 0.1s Time] [2024-11-22 22:16:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-22 22:16:09,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2024-11-22 22:16:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 40 states have internal predecessors, (45), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-22 22:16:09,929 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 25 [2024-11-22 22:16:09,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:09,929 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-22 22:16:09,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-22 22:16:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:16:09,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:09,929 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] [2024-11-22 22:16:09,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:16:10,134 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,SelfDestructingSolverStorable8 [2024-11-22 22:16:10,135 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:10,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:10,136 INFO L85 PathProgramCache]: Analyzing trace with hash -928507937, now seen corresponding path program 1 times [2024-11-22 22:16:10,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:10,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108618923] [2024-11-22 22:16:10,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:10,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:16:10,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:10,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108618923] [2024-11-22 22:16:10,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108618923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:16:10,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:16:10,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:16:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252041676] [2024-11-22 22:16:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:16:10,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:16:10,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:10,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:16:10,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:16:10,218 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:10,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:10,239 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2024-11-22 22:16:10,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:16:10,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2024-11-22 22:16:10,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:10,240 INFO L225 Difference]: With dead ends: 67 [2024-11-22 22:16:10,240 INFO L226 Difference]: Without dead ends: 47 [2024-11-22 22:16:10,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:16:10,241 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:10,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 240 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:16:10,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-22 22:16:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-22 22:16:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2024-11-22 22:16:10,248 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 29 [2024-11-22 22:16:10,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:10,248 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2024-11-22 22:16:10,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:16:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-11-22 22:16:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 22:16:10,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:10,249 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] [2024-11-22 22:16:10,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:16:10,249 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:10,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:10,249 INFO L85 PathProgramCache]: Analyzing trace with hash 220390233, now seen corresponding path program 1 times [2024-11-22 22:16:10,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:10,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118021263] [2024-11-22 22:16:10,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:10,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:10,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:10,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118021263] [2024-11-22 22:16:10,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118021263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:10,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492771541] [2024-11-22 22:16:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:10,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:10,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:10,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:10,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:16:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:10,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-22 22:16:10,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:10,561 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 15 treesize of output 1 [2024-11-22 22:16:10,610 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_LDV_INIT_LIST_HEAD_~list.offset_13 Int)) (and (= (store |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#0| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ v_LDV_INIT_LIST_HEAD_~list.offset_13 4))) (store (store (select |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) v_LDV_INIT_LIST_HEAD_~list.offset_13 (select .cse0 v_LDV_INIT_LIST_HEAD_~list.offset_13)) .cse1 (select .cse0 .cse1)))) |c_#memory_int#0|) (<= v_LDV_INIT_LIST_HEAD_~list.offset_13 |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2024-11-22 22:16:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:10,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-22 22:16:10,734 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 36 treesize of output 13 [2024-11-22 22:16:10,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-22 22:16:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:10,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:16:15,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492771541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:15,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:16:15,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 18] total 21 [2024-11-22 22:16:15,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508580979] [2024-11-22 22:16:15,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:16:15,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:16:15,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:15,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:16:15,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=734, Unknown=2, NotChecked=54, Total=870 [2024-11-22 22:16:15,175 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 18 states have internal predecessors, (53), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:15,587 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2024-11-22 22:16:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 22:16:15,587 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 18 states have internal predecessors, (53), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2024-11-22 22:16:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:15,588 INFO L225 Difference]: With dead ends: 94 [2024-11-22 22:16:15,588 INFO L226 Difference]: Without dead ends: 56 [2024-11-22 22:16:15,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=129, Invalid=1205, Unknown=2, NotChecked=70, Total=1406 [2024-11-22 22:16:15,589 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 29 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:15,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 363 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 414 Invalid, 0 Unknown, 95 Unchecked, 0.2s Time] [2024-11-22 22:16:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-22 22:16:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-22 22:16:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 45 states have internal predecessors, (49), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2024-11-22 22:16:15,595 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 33 [2024-11-22 22:16:15,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:15,596 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2024-11-22 22:16:15,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 18 states have internal predecessors, (53), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-11-22 22:16:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:16:15,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:15,597 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:15,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:16:15,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:15,801 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:15,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1979132655, now seen corresponding path program 1 times [2024-11-22 22:16:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:15,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503708173] [2024-11-22 22:16:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:15,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:15,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503708173] [2024-11-22 22:16:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503708173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:15,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706472159] [2024-11-22 22:16:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:15,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:15,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:15,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:16:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:16,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-22 22:16:16,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:16,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-22 22:16:16,243 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_LDV_INIT_LIST_HEAD_~list.offset_19 Int)) (and (<= v_LDV_INIT_LIST_HEAD_~list.offset_19 |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#0| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ v_LDV_INIT_LIST_HEAD_~list.offset_19 4))) (store (store (select |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) v_LDV_INIT_LIST_HEAD_~list.offset_19 (select .cse0 v_LDV_INIT_LIST_HEAD_~list.offset_19)) .cse1 (select .cse0 .cse1)))) |c_#memory_int#0|))) is different from true [2024-11-22 22:16:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:16,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:16,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-22 22:16:16,409 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 23 treesize of output 3 [2024-11-22 22:16:16,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-22 22:16:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:16,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:16:20,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706472159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:20,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:16:20,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 19] total 23 [2024-11-22 22:16:20,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621399597] [2024-11-22 22:16:20,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:16:20,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:16:20,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:20,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:16:20,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=840, Unknown=2, NotChecked=58, Total=992 [2024-11-22 22:16:20,873 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 20 states have internal predecessors, (57), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:21,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:21,236 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2024-11-22 22:16:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:16:21,237 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 20 states have internal predecessors, (57), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 35 [2024-11-22 22:16:21,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:21,237 INFO L225 Difference]: With dead ends: 96 [2024-11-22 22:16:21,237 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 22:16:21,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=131, Invalid=1203, Unknown=2, NotChecked=70, Total=1406 [2024-11-22 22:16:21,238 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 30 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:21,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 339 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 91 Unchecked, 0.2s Time] [2024-11-22 22:16:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 22:16:21,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 22:16:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 43 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2024-11-22 22:16:21,242 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 35 [2024-11-22 22:16:21,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:21,242 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2024-11-22 22:16:21,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 20 states have internal predecessors, (57), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:16:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-11-22 22:16:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:16:21,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:21,243 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 22:16:21,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:16:21,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:21,449 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:21,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash -211955264, now seen corresponding path program 1 times [2024-11-22 22:16:21,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:21,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290547652] [2024-11-22 22:16:21,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:21,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:21,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:21,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290547652] [2024-11-22 22:16:21,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290547652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:21,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610202736] [2024-11-22 22:16:21,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:21,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:21,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:21,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:16:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:21,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 185 conjuncts are in the unsatisfiable core [2024-11-22 22:16:21,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:21,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-22 22:16:21,938 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_LDV_INIT_LIST_HEAD_~list.offset_25 Int)) (and (= |c_#memory_int#0| (store |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#0| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ v_LDV_INIT_LIST_HEAD_~list.offset_25 4))) (store (store (select |c_old(#memory_int#0)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) v_LDV_INIT_LIST_HEAD_~list.offset_25 (select .cse0 v_LDV_INIT_LIST_HEAD_~list.offset_25)) .cse1 (select .cse0 .cse1))))) (<= v_LDV_INIT_LIST_HEAD_~list.offset_25 |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2024-11-22 22:16:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 22:16:21,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-22 22:16:22,071 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 23 treesize of output 3 [2024-11-22 22:16:22,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-22 22:16:22,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-22 22:16:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:16:22,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:16:27,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610202736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:27,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:16:27,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 25] total 30 [2024-11-22 22:16:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178380079] [2024-11-22 22:16:27,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:16:27,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-22 22:16:27,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-22 22:16:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1808, Unknown=2, NotChecked=86, Total=2070 [2024-11-22 22:16:27,215 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 26 states have internal predecessors, (75), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-22 22:16:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:27,834 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2024-11-22 22:16:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:16:27,835 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 26 states have internal predecessors, (75), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 46 [2024-11-22 22:16:27,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:27,835 INFO L225 Difference]: With dead ends: 99 [2024-11-22 22:16:27,835 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 22:16:27,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=258, Invalid=2500, Unknown=2, NotChecked=102, Total=2862 [2024-11-22 22:16:27,836 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 112 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:27,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 412 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 649 Invalid, 0 Unknown, 112 Unchecked, 0.4s Time] [2024-11-22 22:16:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 22:16:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 22:16:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 44 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:16:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2024-11-22 22:16:27,840 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 46 [2024-11-22 22:16:27,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:27,840 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2024-11-22 22:16:27,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 26 states have internal predecessors, (75), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-22 22:16:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2024-11-22 22:16:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:16:27,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:16:27,841 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-22 22:16:27,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:16:28,041 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 [2024-11-22 22:16:28,042 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:16:28,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:16:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash 293745372, now seen corresponding path program 1 times [2024-11-22 22:16:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:16:28,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032206986] [2024-11-22 22:16:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:16:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:16:28,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:16:28,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032206986] [2024-11-22 22:16:28,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032206986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:16:28,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114996573] [2024-11-22 22:16:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:16:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:16:28,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:16:28,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:16:28,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:16:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:16:28,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-22 22:16:28,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:16:28,453 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 19 treesize of output 1 [2024-11-22 22:16:28,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-22 22:16:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:16:28,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:16:28,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 38 treesize of output 32 [2024-11-22 22:16:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:16:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114996573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:16:28,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:16:28,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 9] total 22 [2024-11-22 22:16:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308080731] [2024-11-22 22:16:28,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:16:28,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:16:28,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:16:28,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:16:28,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:16:28,733 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand has 22 states, 20 states have (on average 4.6) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:16:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:16:28,881 INFO L93 Difference]: Finished difference Result 90 states and 93 transitions. [2024-11-22 22:16:28,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:16:28,881 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.6) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-22 22:16:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:16:28,882 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:16:28,882 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:16:28,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:16:28,882 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:16:28,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 346 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:16:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:16:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:16:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:16:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:16:28,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2024-11-22 22:16:28,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:16:28,883 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:16:28,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.6) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:16:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:16:28,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:16:28,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-22 22:16:28,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-22 22:16:28,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-22 22:16:28,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-22 22:16:28,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:16:29,087 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 [2024-11-22 22:16:29,089 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:16:29,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:16:29,294 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:16:29,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-22 22:16:29,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:16:29,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:16:29,311 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:16:29,314 WARN L156 FloydHoareUtils]: Requires clause for LDV_INIT_LIST_HEAD contained old-variable. Original clause: (= |#memory_int#0| |old(#memory_int#0)|) Eliminated clause: true [2024-11-22 22:16:29,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-22 22:16:29,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:16:29,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:16:29,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:16:29,316 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function LDV_INIT_LIST_HEAD [2024-11-22 22:16:29,319 WARN L156 FloydHoareUtils]: Requires clause for ldv_kobject_put contained old-variable. Original clause: (let ((.cse3 (select |old(#memory_int#0)| |ldv_kobject_put_#in~kobj#1.base|))) (let ((.cse1 (select .cse3 (+ |ldv_kobject_put_#in~kobj#1.offset| 12))) (.cse0 (select .cse3 12))) (and (or (< 2 .cse0) (= |#memory_int#0| |old(#memory_int#0)|) (< .cse1 0)) (let ((.cse2 (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (or (and .cse2 (= |ldv_kobject_put_#in~kobj#1.base| 0)) (and (<= 0 .cse1) (<= .cse0 2) .cse2)))))) Eliminated clause: (exists ((|old(#memory_int#0)| (Array Int (Array Int Int)))) (let ((.cse1 (select |old(#memory_int#0)| |ldv_kobject_put_#in~kobj#1.base|))) (let ((.cse0 (select .cse1 12))) (and (or (< 2 .cse0) (= |#memory_int#0| |old(#memory_int#0)|) (< (select .cse1 (+ |ldv_kobject_put_#in~kobj#1.offset| 12)) 0)) (let ((.cse2 (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (or (and .cse2 (= |ldv_kobject_put_#in~kobj#1.base| 0)) (and (<= .cse0 2) .cse2 (<= 0 .cse0)))))))) [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-22 22:16:29,323 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] [2024-11-22 22:16:29,324 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-22 22:16:29,324 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-22 22:16:29,324 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!base [2024-11-22 22:16:29,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-22 22:16:29,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] [2024-11-22 22:16:29,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-22 22:16:29,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-22 22:16:29,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-22 22:16:29,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] [2024-11-22 22:16:29,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-22 22:16:29,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:16:29,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:16:29,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:16:29,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function ldv_kobject_put [2024-11-22 22:16:29,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:16:29 BoogieIcfgContainer [2024-11-22 22:16:29,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:16:29,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:16:29,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:16:29,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:16:29,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:16:07" (3/4) ... [2024-11-22 22:16:29,340 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:16:29,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-22 22:16:29,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2024-11-22 22:16:29,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2024-11-22 22:16:29,348 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-22 22:16:29,348 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-22 22:16:29,348 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 22:16:29,349 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:16:29,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:16:29,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:16:29,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:16:29,434 INFO L158 Benchmark]: Toolchain (without parser) took 23154.71ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 80.8MB in the beginning and 165.7MB in the end (delta: -85.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:16:29,436 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:16:29,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.13ms. Allocated memory is still 151.0MB. Free memory was 80.5MB in the beginning and 108.4MB in the end (delta: -28.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.69ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 105.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,436 INFO L158 Benchmark]: Boogie Preprocessor took 51.97ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 102.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,437 INFO L158 Benchmark]: RCFGBuilder took 420.57ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 80.7MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,437 INFO L158 Benchmark]: TraceAbstraction took 22091.14ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 80.2MB in the beginning and 172.0MB in the end (delta: -91.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,437 INFO L158 Benchmark]: Witness Printer took 96.53ms. Allocated memory is still 205.5MB. Free memory was 172.0MB in the beginning and 165.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:16:29,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.13ms. Allocated memory is still 151.0MB. Free memory was 80.5MB in the beginning and 108.4MB in the end (delta: -28.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.69ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 105.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.97ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 102.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 420.57ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 80.7MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22091.14ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 80.2MB in the beginning and 172.0MB in the end (delta: -91.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * Witness Printer took 96.53ms. Allocated memory is still 205.5MB. Free memory was 172.0MB in the beginning and 165.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function LDV_INIT_LIST_HEAD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function ldv_kobject_put * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 3680 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 439 IncrementalHoareTripleChecker+Unchecked, 3080 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2139 IncrementalHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 600 mSDtfsCounter, 2139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1129 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=3, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 21 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 571 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 601 ConstructedInterpolants, 10 QuantifiedInterpolants, 2850 SizeOfPredicates, 74 NumberOfNonLiveVariables, 1916 ConjunctsInSsa, 694 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 25/70 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:16:29,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE