/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:46:51,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:46:51,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:46:51,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:46:51,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:46:51,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:46:51,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:46:51,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:46:51,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:46:51,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:46:51,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:46:51,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:46:51,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:46:51,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:46:51,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:46:51,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:46:51,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:46:51,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:46:51,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:46:51,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:46:51,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:46:51,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:46:51,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:46:51,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:46:51,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:46:51,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:46:51,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:46:51,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:46:51,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:46:51,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:46:51,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:46:51,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:46:51,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:46:51,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:46:51,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:46:51,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:46:51,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:46:51,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:46:51,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:46:51,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:46:51,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:46:51,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:46:51,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:46:51,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:46:51,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:46:51,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:46:51,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:46:51,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:46:51,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:46:51,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:46:51,649 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:46:51,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:46:51,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:46:51,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:46:51,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:46:51,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:46:51,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:46:51,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:46:51,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:46:51,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:46:51,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:46:51,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:46:51,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:46:51,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:46:51,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:46:51,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:46:51,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:46:51,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:46:51,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:46:51,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:46:51,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:46:52,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:46:52,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:46:52,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:46:52,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:46:52,074 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:46:52,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2022-10-16 13:46:52,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0489b8f27/19e303306a344a5ba0283560f6624c82/FLAG5cef30d26 [2022-10-16 13:46:52,905 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:46:52,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2022-10-16 13:46:52,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0489b8f27/19e303306a344a5ba0283560f6624c82/FLAG5cef30d26 [2022-10-16 13:46:52,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0489b8f27/19e303306a344a5ba0283560f6624c82 [2022-10-16 13:46:52,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:46:52,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:46:52,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:46:52,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:46:52,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:46:52,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:52" (1/1) ... [2022-10-16 13:46:52,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669926e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:52, skipping insertion in model container [2022-10-16 13:46:52,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:46:52" (1/1) ... [2022-10-16 13:46:52,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:46:53,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:46:53,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:46:53,533 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:46:53,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:46:53,748 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:46:53,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53 WrapperNode [2022-10-16 13:46:53,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:46:53,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:46:53,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:46:53,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:46:53,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,867 INFO L138 Inliner]: procedures = 166, calls = 72, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 122 [2022-10-16 13:46:53,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:46:53,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:46:53,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:46:53,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:46:53,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:46:53,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:46:53,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:46:53,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:46:53,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (1/1) ... [2022-10-16 13:46:53,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:46:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:54,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:46:54,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:46:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:46:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-10-16 13:46:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-10-16 13:46:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:46:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:46:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2022-10-16 13:46:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2022-10-16 13:46:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:46:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:46:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:46:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:46:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:46:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:46:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:46:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:46:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:46:54,305 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:46:54,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:46:54,585 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:46:54,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:46:54,594 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:46:54,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:54 BoogieIcfgContainer [2022-10-16 13:46:54,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:46:54,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:46:54,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:46:54,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:46:54,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:46:52" (1/3) ... [2022-10-16 13:46:54,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780d51e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:54, skipping insertion in model container [2022-10-16 13:46:54,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:46:53" (2/3) ... [2022-10-16 13:46:54,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780d51e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:46:54, skipping insertion in model container [2022-10-16 13:46:54,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:46:54" (3/3) ... [2022-10-16 13:46:54,609 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2022-10-16 13:46:54,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:46:54,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 13:46:54,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:46:54,706 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5ab43028, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:46:54,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 13:46:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 13:46:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 13:46:54,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:54,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:54,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:54,731 INFO L85 PathProgramCache]: Analyzing trace with hash -343294405, now seen corresponding path program 1 times [2022-10-16 13:46:54,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:54,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219941080] [2022-10-16 13:46:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:55,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:55,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219941080] [2022-10-16 13:46:55,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219941080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:55,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:55,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:46:55,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736358] [2022-10-16 13:46:55,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:55,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:46:55,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:55,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:46:55,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:55,272 INFO L87 Difference]: Start difference. First operand has 52 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 6 states have (on average 1.6666666666666667) 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) [2022-10-16 13:46:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:55,494 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2022-10-16 13:46:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:55,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) 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 [2022-10-16 13:46:55,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:55,513 INFO L225 Difference]: With dead ends: 116 [2022-10-16 13:46:55,513 INFO L226 Difference]: Without dead ends: 62 [2022-10-16 13:46:55,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:55,537 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 43 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:55,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 262 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:55,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-10-16 13:46:55,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2022-10-16 13:46:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.28125) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-10-16 13:46:55,606 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 12 [2022-10-16 13:46:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:55,608 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-10-16 13:46:55,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) 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) [2022-10-16 13:46:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-10-16 13:46:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 13:46:55,611 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:55,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:55,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:46:55,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:55,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1399515930, now seen corresponding path program 1 times [2022-10-16 13:46:55,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235074780] [2022-10-16 13:46:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:55,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:55,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:55,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235074780] [2022-10-16 13:46:55,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235074780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:55,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:55,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:46:55,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648925899] [2022-10-16 13:46:55,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:55,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:46:55,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:55,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:46:55,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:46:55,837 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. 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) [2022-10-16 13:46:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:55,956 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2022-10-16 13:46:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:55,958 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 [2022-10-16 13:46:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:55,960 INFO L225 Difference]: With dead ends: 68 [2022-10-16 13:46:55,960 INFO L226 Difference]: Without dead ends: 52 [2022-10-16 13:46:55,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:55,966 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 22 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:55,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 129 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-10-16 13:46:55,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2022-10-16 13:46:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 38 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-10-16 13:46:55,990 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 12 [2022-10-16 13:46:55,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:55,991 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-10-16 13:46:55,991 INFO L496 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) [2022-10-16 13:46:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-10-16 13:46:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 13:46:55,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:55,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:55,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:46:55,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:56,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1822469784, now seen corresponding path program 1 times [2022-10-16 13:46:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:56,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743495190] [2022-10-16 13:46:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:56,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:56,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743495190] [2022-10-16 13:46:56,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743495190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:56,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:56,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:46:56,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871004400] [2022-10-16 13:46:56,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:56,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:46:56,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:46:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:46:56,258 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 7 states, 7 states have (on average 2.0) 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) [2022-10-16 13:46:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:56,358 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2022-10-16 13:46:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:46:56,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) 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 [2022-10-16 13:46:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:56,360 INFO L225 Difference]: With dead ends: 83 [2022-10-16 13:46:56,360 INFO L226 Difference]: Without dead ends: 64 [2022-10-16 13:46:56,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:46:56,362 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 48 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:56,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 238 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:56,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-10-16 13:46:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 47. [2022-10-16 13:46:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 41 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2022-10-16 13:46:56,375 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 16 [2022-10-16 13:46:56,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:56,375 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2022-10-16 13:46:56,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) 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) [2022-10-16 13:46:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2022-10-16 13:46:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 13:46:56,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:56,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:56,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:46:56,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:56,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:56,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1693387065, now seen corresponding path program 1 times [2022-10-16 13:46:56,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:56,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499529107] [2022-10-16 13:46:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:56,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:56,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499529107] [2022-10-16 13:46:56,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499529107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:56,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:56,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:46:56,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400245522] [2022-10-16 13:46:56,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:56,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:46:56,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:46:56,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:56,627 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) 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) [2022-10-16 13:46:56,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:56,734 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2022-10-16 13:46:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:56,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) 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 [2022-10-16 13:46:56,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:56,736 INFO L225 Difference]: With dead ends: 77 [2022-10-16 13:46:56,736 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 13:46:56,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:46:56,739 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 16 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:56,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 159 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 13:46:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-10-16 13:46:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 38 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 13:46:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-10-16 13:46:56,747 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 16 [2022-10-16 13:46:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:56,748 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-10-16 13:46:56,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) 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) [2022-10-16 13:46:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-10-16 13:46:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 13:46:56,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:56,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:56,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:46:56,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:56,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:56,751 INFO L85 PathProgramCache]: Analyzing trace with hash 308286168, now seen corresponding path program 1 times [2022-10-16 13:46:56,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:56,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158586106] [2022-10-16 13:46:56,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:56,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:56,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158586106] [2022-10-16 13:46:56,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158586106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:56,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:56,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:46:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926006755] [2022-10-16 13:46:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:56,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:46:56,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:56,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:46:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:46:56,904 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-10-16 13:46:57,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:57,011 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-10-16 13:46:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:46:57,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 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 18 [2022-10-16 13:46:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:57,013 INFO L225 Difference]: With dead ends: 54 [2022-10-16 13:46:57,013 INFO L226 Difference]: Without dead ends: 38 [2022-10-16 13:46:57,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:46:57,015 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:57,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 195 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:57,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-10-16 13:46:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-10-16 13:46:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.206896551724138) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-10-16 13:46:57,022 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-10-16 13:46:57,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:57,022 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-10-16 13:46:57,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-10-16 13:46:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-10-16 13:46:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 13:46:57,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:57,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:46:57,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:46:57,024 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:57,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1857826031, now seen corresponding path program 1 times [2022-10-16 13:46:57,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:57,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370938836] [2022-10-16 13:46:57,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:57,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:57,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:57,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370938836] [2022-10-16 13:46:57,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370938836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:57,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:57,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:46:57,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599048825] [2022-10-16 13:46:57,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:57,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:46:57,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:46:57,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:46:57,147 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 8 states, 8 states have (on average 2.0) 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) [2022-10-16 13:46:57,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:57,230 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2022-10-16 13:46:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:46:57,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) 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 [2022-10-16 13:46:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:57,231 INFO L225 Difference]: With dead ends: 58 [2022-10-16 13:46:57,232 INFO L226 Difference]: Without dead ends: 38 [2022-10-16 13:46:57,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:46:57,233 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 60 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:57,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 117 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:57,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-10-16 13:46:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-10-16 13:46:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 32 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2022-10-16 13:46:57,241 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 18 [2022-10-16 13:46:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:57,241 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2022-10-16 13:46:57,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) 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) [2022-10-16 13:46:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2022-10-16 13:46:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 13:46:57,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:57,243 INFO L195 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] [2022-10-16 13:46:57,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:46:57,243 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1601348128, now seen corresponding path program 1 times [2022-10-16 13:46:57,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:57,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957707580] [2022-10-16 13:46:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:57,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:46:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:57,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:57,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957707580] [2022-10-16 13:46:57,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957707580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:57,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:46:57,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:46:57,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251080760] [2022-10-16 13:46:57,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:57,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:46:57,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:46:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:46:57,396 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:57,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:57,470 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2022-10-16 13:46:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:46:57,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 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 [2022-10-16 13:46:57,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:57,471 INFO L225 Difference]: With dead ends: 67 [2022-10-16 13:46:57,472 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 13:46:57,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:46:57,473 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:57,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 100 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:46:57,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 13:46:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-10-16 13:46:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2022-10-16 13:46:57,481 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 23 [2022-10-16 13:46:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:57,481 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2022-10-16 13:46:57,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2022-10-16 13:46:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 13:46:57,482 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:57,492 INFO L195 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] [2022-10-16 13:46:57,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:46:57,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1587991763, now seen corresponding path program 1 times [2022-10-16 13:46:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:57,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136919427] [2022-10-16 13:46:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:57,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:46:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:46:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:46:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:46:57,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:46:57,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136919427] [2022-10-16 13:46:57,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136919427] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:46:57,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72777215] [2022-10-16 13:46:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:57,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:46:57,695 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) [2022-10-16 13:46:57,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:46:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:46:57,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 93 conjunts are in the unsatisfiable core [2022-10-16 13:46:57,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:46:57,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-10-16 13:46:59,293 WARN L855 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_108 Int) (v_ArrVal_107 Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_107) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_108)) |c_#memory_int|))) is different from true [2022-10-16 13:46:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:46:59,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 29 [2022-10-16 13:46:59,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-16 13:46:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:46:59,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:46:59,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72777215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:46:59,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:46:59,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2022-10-16 13:46:59,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783398000] [2022-10-16 13:46:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:46:59,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:46:59,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:46:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:46:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2022-10-16 13:46:59,471 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 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) [2022-10-16 13:46:59,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:46:59,732 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2022-10-16 13:46:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:46:59,732 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 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 [2022-10-16 13:46:59,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:46:59,733 INFO L225 Difference]: With dead ends: 43 [2022-10-16 13:46:59,733 INFO L226 Difference]: Without dead ends: 42 [2022-10-16 13:46:59,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2022-10-16 13:46:59,735 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 59 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:46:59,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 136 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 43 Unchecked, 0.1s Time] [2022-10-16 13:46:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-10-16 13:46:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-10-16 13:46:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 32 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:46:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2022-10-16 13:46:59,744 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 24 [2022-10-16 13:46:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:46:59,744 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2022-10-16 13:46:59,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 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) [2022-10-16 13:46:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2022-10-16 13:46:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 13:46:59,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:46:59,746 INFO L195 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] [2022-10-16 13:46:59,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:46:59,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:46:59,961 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:46:59,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:46:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1983104317, now seen corresponding path program 1 times [2022-10-16 13:46:59,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:46:59,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203210046] [2022-10-16 13:46:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:46:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:47:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:47:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:47:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:47:00,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:47:00,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203210046] [2022-10-16 13:47:00,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203210046] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:47:00,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097525242] [2022-10-16 13:47:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:00,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:47:00,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:47:00,244 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) [2022-10-16 13:47:00,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:47:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:00,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 93 conjunts are in the unsatisfiable core [2022-10-16 13:47:00,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:47:00,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-10-16 13:47:01,479 WARN L855 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_172 Int) (v_ArrVal_171 Int)) (and (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_171) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_172)) |c_#memory_int|) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2022-10-16 13:47:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:01,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 29 [2022-10-16 13:47:01,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-16 13:47:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:47:01,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:47:01,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097525242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:47:01,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:47:01,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2022-10-16 13:47:01,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415096977] [2022-10-16 13:47:01,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:47:01,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:47:01,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:47:01,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:47:01,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2022-10-16 13:47:01,633 INFO L87 Difference]: Start difference. First operand 38 states and 39 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) [2022-10-16 13:47:01,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:47:01,873 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2022-10-16 13:47:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:47:01,874 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 [2022-10-16 13:47:01,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:47:01,875 INFO L225 Difference]: With dead ends: 42 [2022-10-16 13:47:01,875 INFO L226 Difference]: Without dead ends: 41 [2022-10-16 13:47:01,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=79, Invalid=430, Unknown=1, NotChecked=42, Total=552 [2022-10-16 13:47:01,876 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 61 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:47:01,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 141 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 159 Invalid, 0 Unknown, 46 Unchecked, 0.1s Time] [2022-10-16 13:47:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-16 13:47:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2022-10-16 13:47:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:47:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2022-10-16 13:47:01,885 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 25 [2022-10-16 13:47:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:47:01,886 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2022-10-16 13:47:01,886 INFO L496 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) [2022-10-16 13:47:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2022-10-16 13:47:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 13:47:01,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:47:01,887 INFO L195 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] [2022-10-16 13:47:01,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:47:02,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-16 13:47:02,102 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:47:02,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:47:02,103 INFO L85 PathProgramCache]: Analyzing trace with hash 833927339, now seen corresponding path program 1 times [2022-10-16 13:47:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:47:02,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930862171] [2022-10-16 13:47:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:02,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:47:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:47:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:47:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 13:47:02,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:47:02,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930862171] [2022-10-16 13:47:02,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930862171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:47:02,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:47:02,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:47:02,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888006806] [2022-10-16 13:47:02,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:47:02,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:47:02,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:47:02,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:47:02,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:47:02,297 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:47:02,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:47:02,427 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2022-10-16 13:47:02,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:47:02,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 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 30 [2022-10-16 13:47:02,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:47:02,428 INFO L225 Difference]: With dead ends: 47 [2022-10-16 13:47:02,428 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 13:47:02,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:47:02,430 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 41 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:47:02,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 107 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:47:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 13:47:02,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-16 13:47:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:47:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-10-16 13:47:02,438 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 30 [2022-10-16 13:47:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:47:02,439 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2022-10-16 13:47:02,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:47:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-10-16 13:47:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 13:47:02,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:47:02,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:47:02,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:47:02,441 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:47:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:47:02,441 INFO L85 PathProgramCache]: Analyzing trace with hash -719443855, now seen corresponding path program 1 times [2022-10-16 13:47:02,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:47:02,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635698897] [2022-10-16 13:47:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:47:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:47:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:47:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:47:02,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:47:02,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635698897] [2022-10-16 13:47:02,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635698897] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:47:02,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030962608] [2022-10-16 13:47:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:02,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:47:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:47:02,651 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) [2022-10-16 13:47:02,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:47:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:02,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 144 conjunts are in the unsatisfiable core [2022-10-16 13:47:02,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:47:03,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-10-16 13:47:04,000 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_286 Int) (v_ArrVal_285 Int) (LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_285) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_286))))) is different from true [2022-10-16 13:47:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:04,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 29 [2022-10-16 13:47:04,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 13:47:04,254 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 13:47:04,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2022-10-16 13:47:04,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-16 13:47:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:47:04,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:47:06,811 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_298 Int) (v_ArrVal_297 Int) (v_LDV_INIT_LIST_HEAD_~list.offset_4 Int)) (or (< (+ |c_ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset| 4) v_LDV_INIT_LIST_HEAD_~list.offset_4) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) v_LDV_INIT_LIST_HEAD_~list.offset_4 v_ArrVal_298) (+ v_LDV_INIT_LIST_HEAD_~list.offset_4 4) v_ArrVal_297)) |c_ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ |c_ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset| 12)) 2147483648))) is different from false [2022-10-16 13:47:06,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030962608] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:47:06,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:47:06,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19] total 24 [2022-10-16 13:47:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758159139] [2022-10-16 13:47:06,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:47:06,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 13:47:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:47:06,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 13:47:06,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=847, Unknown=2, NotChecked=118, Total=1056 [2022-10-16 13:47:06,818 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 19 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:47:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:47:13,056 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2022-10-16 13:47:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 13:47:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 19 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2022-10-16 13:47:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:47:13,058 INFO L225 Difference]: With dead ends: 63 [2022-10-16 13:47:13,058 INFO L226 Difference]: Without dead ends: 37 [2022-10-16 13:47:13,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=202, Invalid=1779, Unknown=7, NotChecked=174, Total=2162 [2022-10-16 13:47:13,061 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 59 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:47:13,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 182 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 331 Invalid, 0 Unknown, 46 Unchecked, 0.2s Time] [2022-10-16 13:47:13,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-10-16 13:47:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-10-16 13:47:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 13:47:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-10-16 13:47:13,083 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2022-10-16 13:47:13,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:47:13,083 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2022-10-16 13:47:13,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 19 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:47:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-10-16 13:47:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 13:47:13,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:47:13,085 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:47:13,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:47:13,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:47:13,299 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 13:47:13,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:47:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1565572184, now seen corresponding path program 1 times [2022-10-16 13:47:13,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:47:13,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453813061] [2022-10-16 13:47:13,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:13,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:47:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:47:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:47:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:47:13,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:47:13,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453813061] [2022-10-16 13:47:13,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453813061] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:47:13,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044867050] [2022-10-16 13:47:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:47:13,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:47:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:47:13,600 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) [2022-10-16 13:47:13,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:47:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:47:13,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 145 conjunts are in the unsatisfiable core [2022-10-16 13:47:13,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:47:13,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-10-16 13:47:14,849 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_387 Int) (v_ArrVal_385 Int) (LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_ArrVal_385) (+ LDV_INIT_LIST_HEAD_~list.offset 4) v_ArrVal_387)) |c_#memory_int|))) is different from true [2022-10-16 13:47:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:47:14,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 29 [2022-10-16 13:47:15,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 13:47:15,079 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 13:47:15,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2022-10-16 13:47:15,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-16 13:47:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:47:15,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:47:25,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044867050] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:47:25,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:47:25,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 25 [2022-10-16 13:47:25,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369166442] [2022-10-16 13:47:25,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:47:25,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 13:47:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:47:25,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 13:47:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=963, Unknown=5, NotChecked=62, Total=1122 [2022-10-16 13:47:25,227 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:47:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:47:31,742 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2022-10-16 13:47:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 13:47:31,742 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2022-10-16 13:47:31,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:47:31,743 INFO L225 Difference]: With dead ends: 62 [2022-10-16 13:47:31,743 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 13:47:31,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=219, Invalid=2031, Unknown=10, NotChecked=92, Total=2352 [2022-10-16 13:47:31,748 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 68 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:47:31,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 161 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 400 Invalid, 0 Unknown, 51 Unchecked, 0.3s Time] [2022-10-16 13:47:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 13:47:31,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 13:47:31,756 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) [2022-10-16 13:47:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 13:47:31,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-10-16 13:47:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:47:31,756 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 13:47:31,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 13:47:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 13:47:31,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 13:47:31,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-16 13:47:31,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-16 13:47:31,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-16 13:47:31,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-16 13:47:31,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:47:31,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:47:31,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 13:47:32,557 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-10-16 13:47:32,557 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point L659-1(line 659) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 718) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 687) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L899 garLoopResultBuilder]: For program point L717-2(lines 717 718) no Hoare annotation was computed. [2022-10-16 13:47:32,558 INFO L895 garLoopResultBuilder]: At program point L746(lines 738 747) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|)) (.cse2 (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (.cse1 (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|)) (.cse3 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (.cse5 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12))) (and (<= .cse4 1) .cse0 (not .cse2) .cse1 (<= .cse5 1) (<= 1 .cse4) (<= 1 .cse5) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not .cse3) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))))) [2022-10-16 13:47:32,559 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 683) no Hoare annotation was computed. [2022-10-16 13:47:32,559 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 743) no Hoare annotation was computed. [2022-10-16 13:47:32,559 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 13:47:32,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2022-10-16 13:47:32,559 INFO L895 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|)) (.cse3 (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0)) (.cse1 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0))) (or (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12))) (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) .cse0 (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (not (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.base| 0)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12)) (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not .cse1) (<= .cse2 2) .cse3 (= (+ |ULTIMATE.start_entry_point_~kobj~2#1.offset| 12) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= (select (select |#memory_int| |ULTIMATE.start_ldv_atomic_add_return_~v#1.base|) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) |ULTIMATE.start_ldv_atomic_add_return_~temp~0#1|) (= |ULTIMATE.start_ldv_atomic_add_return_~v#1.base| |ULTIMATE.start_entry_point_~kobj~2#1.base|) (<= 1 |ULTIMATE.start_ldv_atomic_add_return_~i#1|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| |ULTIMATE.start_ldv_kobject_get_~kobj#1.base|) (<= 2 .cse2))) (and .cse0 (= |ULTIMATE.start_entry_point_~kobj~2#1.base| 0) .cse3 .cse1))) [2022-10-16 13:47:32,560 INFO L899 garLoopResultBuilder]: For program point L767-1(lines 763 768) no Hoare annotation was computed. [2022-10-16 13:47:32,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 13:47:32,560 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0))) [2022-10-16 13:47:32,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 13:47:32,560 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-10-16 13:47:32,560 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 732) no Hoare annotation was computed. [2022-10-16 13:47:32,561 INFO L895 garLoopResultBuilder]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.offset| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= 1 .cse0))) [2022-10-16 13:47:32,561 INFO L895 garLoopResultBuilder]: At program point L726-1(lines 721 727) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (<= 1 .cse0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))) [2022-10-16 13:47:32,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2022-10-16 13:47:32,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 13:47:32,561 INFO L895 garLoopResultBuilder]: At program point L731(lines 728 737) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|)))) (and (<= .cse0 1) (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (<= 1 .cse0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)))) [2022-10-16 13:47:32,562 INFO L895 garLoopResultBuilder]: At program point L661(lines 655 662) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12))) (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (not (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.base| 0)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12)) (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0)) (<= .cse0 2) (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0) (= (+ |ULTIMATE.start_entry_point_~kobj~2#1.offset| 12) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= (select (select |#memory_int| |ULTIMATE.start_ldv_atomic_add_return_~v#1.base|) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) |ULTIMATE.start_ldv_atomic_add_return_~temp~0#1|) (= |ULTIMATE.start_ldv_atomic_add_return_~v#1.base| |ULTIMATE.start_entry_point_~kobj~2#1.base|) (<= 1 |ULTIMATE.start_ldv_atomic_add_return_~i#1|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| |ULTIMATE.start_ldv_kobject_get_~kobj#1.base|) (<= 2 .cse0))) [2022-10-16 13:47:32,562 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 724) no Hoare annotation was computed. [2022-10-16 13:47:32,562 INFO L895 garLoopResultBuilder]: At program point L719(lines 715 720) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|)) (.cse3 (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0)) (.cse1 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0))) (or (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12))) (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0)) .cse0 (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (+ 12 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|))) (not (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.base| 0)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_create_#res#1.base|) 12)) (= |ULTIMATE.start_ldv_kobject_get_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base| 0)) (not .cse1) (<= .cse2 2) .cse3 (= (+ |ULTIMATE.start_entry_point_~kobj~2#1.offset| 12) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0)) (<= (select (select |#memory_int| |ULTIMATE.start_ldv_atomic_add_return_~v#1.base|) |ULTIMATE.start_ldv_atomic_add_return_~v#1.offset|) |ULTIMATE.start_ldv_atomic_add_return_~temp~0#1|) (= |ULTIMATE.start_ldv_atomic_add_return_~v#1.base| |ULTIMATE.start_entry_point_~kobj~2#1.base|) (<= 1 |ULTIMATE.start_ldv_atomic_add_return_~i#1|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| |ULTIMATE.start_ldv_kobject_get_~kobj#1.base|) (<= 2 .cse2))) (and .cse0 (= |ULTIMATE.start_entry_point_~kobj~2#1.base| 0) .cse3 .cse1))) [2022-10-16 13:47:32,562 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2022-10-16 13:47:32,563 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 759) no Hoare annotation was computed. [2022-10-16 13:47:32,563 INFO L902 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: true [2022-10-16 13:47:32,563 INFO L899 garLoopResultBuilder]: For program point L741-1(line 741) no Hoare annotation was computed. [2022-10-16 13:47:32,563 INFO L895 garLoopResultBuilder]: At program point LDV_INIT_LIST_HEADENTRY(lines 538 542) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-10-16 13:47:32,563 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADFINAL(lines 538 542) no Hoare annotation was computed. [2022-10-16 13:47:32,563 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2022-10-16 13:47:32,563 INFO L895 garLoopResultBuilder]: At program point L669(lines 663 670) the Hoare annotation is: (let ((.cse1 (not (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (.cse2 (= |old(#valid)| |#valid|))) (and (let ((.cse0 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (or (not (<= .cse0 2)) .cse1 (not (<= 2 .cse0)) .cse2)) (or .cse1 (not (= |ldv_kobject_put_#in~kobj#1.base| 0)) .cse2))) [2022-10-16 13:47:32,563 INFO L899 garLoopResultBuilder]: For program point L667(line 667) no Hoare annotation was computed. [2022-10-16 13:47:32,564 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2022-10-16 13:47:32,564 INFO L902 garLoopResultBuilder]: At program point L690(lines 688 691) the Hoare annotation is: true [2022-10-16 13:47:32,564 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2022-10-16 13:47:32,564 INFO L895 garLoopResultBuilder]: At program point ldv_kobject_putENTRY(lines 709 714) the Hoare annotation is: (let ((.cse1 (not (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (.cse2 (= |old(#valid)| |#valid|))) (and (let ((.cse0 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (or (not (<= .cse0 2)) .cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2) (not (<= 2 .cse0)))) (or .cse1 (not (= |ldv_kobject_put_#in~kobj#1.base| 0)) .cse2))) [2022-10-16 13:47:32,564 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 713) no Hoare annotation was computed. [2022-10-16 13:47:32,564 INFO L902 garLoopResultBuilder]: At program point L678(lines 671 679) the Hoare annotation is: true [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point L711-2(lines 709 714) no Hoare annotation was computed. [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putEXIT(lines 709 714) no Hoare annotation was computed. [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 677) no Hoare annotation was computed. [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 708) no Hoare annotation was computed. [2022-10-16 13:47:32,565 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 703) no Hoare annotation was computed. [2022-10-16 13:47:32,565 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 704) no Hoare annotation was computed. [2022-10-16 13:47:32,566 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2022-10-16 13:47:32,569 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:47:32,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 13:47:32,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:47:32 BoogieIcfgContainer [2022-10-16 13:47:32,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 13:47:32,606 INFO L158 Benchmark]: Toolchain (without parser) took 39651.75ms. Allocated memory was 151.0MB in the beginning and 187.7MB in the end (delta: 36.7MB). Free memory was 104.1MB in the beginning and 117.7MB in the end (delta: -13.6MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,606 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:47:32,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.71ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 124.3MB in the end (delta: -20.3MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.19ms. Allocated memory is still 151.0MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,607 INFO L158 Benchmark]: Boogie Preprocessor took 84.29ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,608 INFO L158 Benchmark]: RCFGBuilder took 640.21ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 101.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,608 INFO L158 Benchmark]: TraceAbstraction took 38004.62ms. Allocated memory was 151.0MB in the beginning and 187.7MB in the end (delta: 36.7MB). Free memory was 100.2MB in the beginning and 117.7MB in the end (delta: -17.5MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. [2022-10-16 13:47:32,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 790.71ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 124.3MB in the end (delta: -20.3MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 115.19ms. Allocated memory is still 151.0MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.29ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 640.21ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 101.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 38004.62ms. Allocated memory was 151.0MB in the beginning and 187.7MB in the end (delta: 36.7MB). Free memory was 100.2MB in the beginning and 117.7MB in the end (delta: -17.5MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. * 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: 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 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 37.9s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 511 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 508 mSDsluCounter, 1927 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 186 IncrementalHoareTripleChecker+Unchecked, 1502 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1599 IncrementalHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 425 mSDtfsCounter, 1599 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 302 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 29.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 124, 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, 12 MinimizatonAttempts, 57 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 70 PreInvPairs, 104 NumberOfFragments, 568 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 496 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 367 ConstructedInterpolants, 8 QuantifiedInterpolants, 1768 SizeOfPredicates, 196 NumberOfNonLiveVariables, 1057 ConjunctsInSsa, 475 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 3/13 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: 655]: Loop Invariant Derived loop invariant: ((((((((((((((((0 == kobj && !(kobj == 0)) && 0 == \result) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[\result][12]) && kobj == 0) && !(kobj == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[kobj][12] <= 2) && kobj == 0) && kobj + 12 == v) && !(kobj == 0)) && unknown-#memory_int-unknown[v][v] <= temp) && v == kobj) && 1 <= i) && kobj == kobj) && 2 <= unknown-#memory_int-unknown[kobj][12] - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((!(\old(unknown-#memory_int-unknown)[kobj][12] <= 2) || !(kobj == 0)) || !(2 <= \old(unknown-#memory_int-unknown)[kobj][12])) || \old(\valid) == \valid) && ((!(kobj == 0) || !(kobj == 0)) || \old(\valid) == \valid) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((0 == kobj && 0 == \result) && kobj == 0) && \result == 0) || (((((((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 0 == \result) && unknown-#memory_int-unknown[\result][12] <= 1) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && 1 <= unknown-#memory_int-unknown[\result][12]) && !(kobj == 0)) && !(\result == 0)) && !(kobj == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 == kobj && !(kobj == 0) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((((((((((((((((0 == kobj && !(kobj == 0)) && 0 == \result) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[\result][12]) && kobj == 0) && !(kobj == 0)) && !(\result == 0)) && unknown-#memory_int-unknown[kobj][12] <= 2) && kobj == 0) && kobj + 12 == v) && !(kobj == 0)) && unknown-#memory_int-unknown[v][v] <= temp) && v == kobj) && 1 <= i) && kobj == kobj) && 2 <= unknown-#memory_int-unknown[kobj][12]) || (((0 == \result && kobj == 0) && kobj == 0) && \result == 0) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && !(kobj == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((unknown-#memory_int-unknown[kobj][12 + kobj] <= 1 && 0 == kobj) && !(kobj == 0)) && 1 <= unknown-#memory_int-unknown[kobj][12 + kobj]) && !(kobj == 0)) && !(kobj == 0) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-16 13:47:32,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...