java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:09:37,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:09:37,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:09:37,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:09:37,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:09:37,345 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:09:37,346 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:09:37,347 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:09:37,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:09:37,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:09:37,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:09:37,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:09:37,351 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:09:37,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:09:37,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:09:37,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:09:37,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:09:37,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:09:37,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:09:37,359 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:09:37,361 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:09:37,361 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:09:37,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:09:37,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:09:37,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:09:37,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:09:37,364 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:09:37,364 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:09:37,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:09:37,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:09:37,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:09:37,365 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 21:09:37,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:09:37,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:09:37,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:09:37,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:09:37,376 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:09:37,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:09:37,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:09:37,376 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:09:37,377 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:09:37,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:09:37,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:09:37,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:09:37,379 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:09:37,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:09:37,379 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:09:37,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:09:37,419 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:09:37,422 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:09:37,424 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:09:37,424 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:09:37,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_true-valid-memsafety_true-termination.i [2018-02-02 21:09:37,569 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:09:37,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:09:37,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:09:37,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:09:37,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:09:37,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc89e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37, skipping insertion in model container [2018-02-02 21:09:37,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,586 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:09:37,619 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:09:37,717 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:09:37,736 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:09:37,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37 WrapperNode [2018-02-02 21:09:37,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:09:37,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:09:37,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:09:37,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:09:37,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... [2018-02-02 21:09:37,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:09:37,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:09:37,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:09:37,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:09:37,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-02-02 21:09:37,817 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure f_22_get [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure f_22_put [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 21:09:37,818 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:09:37,818 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 21:09:37,818 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 21:09:37,818 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-02-02 21:09:37,819 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 21:09:37,819 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-02-02 21:09:37,820 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-02-02 21:09:37,821 INFO L128 BoogieDeclarations]: Found specification of procedure f_22_get [2018-02-02 21:09:37,822 INFO L128 BoogieDeclarations]: Found specification of procedure f_22_put [2018-02-02 21:09:37,822 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 21:09:37,822 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:09:37,822 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:09:37,822 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:09:38,029 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-02 21:09:38,158 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:09:38,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:09:38 BoogieIcfgContainer [2018-02-02 21:09:38,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:09:38,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:09:38,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:09:38,162 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:09:38,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:09:37" (1/3) ... [2018-02-02 21:09:38,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43921537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:09:38, skipping insertion in model container [2018-02-02 21:09:38,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:09:37" (2/3) ... [2018-02-02 21:09:38,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43921537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:09:38, skipping insertion in model container [2018-02-02 21:09:38,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:09:38" (3/3) ... [2018-02-02 21:09:38,166 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test22_3_true-valid-memsafety_true-termination.i [2018-02-02 21:09:38,171 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:09:38,177 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2018-02-02 21:09:38,200 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:09:38,200 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:09:38,201 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:09:38,201 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:09:38,201 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:09:38,201 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:09:38,201 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:09:38,201 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:09:38,201 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:09:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-02-02 21:09:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 21:09:38,219 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:38,220 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:38,220 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:38,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1245228870, now seen corresponding path program 1 times [2018-02-02 21:09:38,224 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:38,224 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:38,259 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,260 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:38,260 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:38,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:38,438 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:38,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:09:38,439 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:09:38,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:09:38,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:09:38,454 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2018-02-02 21:09:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:38,505 INFO L93 Difference]: Finished difference Result 157 states and 166 transitions. [2018-02-02 21:09:38,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:09:38,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-02-02 21:09:38,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:38,516 INFO L225 Difference]: With dead ends: 157 [2018-02-02 21:09:38,516 INFO L226 Difference]: Without dead ends: 154 [2018-02-02 21:09:38,517 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:09:38,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-02-02 21:09:38,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2018-02-02 21:09:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-02 21:09:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 161 transitions. [2018-02-02 21:09:38,552 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 161 transitions. Word has length 17 [2018-02-02 21:09:38,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:38,552 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 161 transitions. [2018-02-02 21:09:38,552 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:09:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2018-02-02 21:09:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 21:09:38,553 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:38,553 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:38,553 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:38,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1572748952, now seen corresponding path program 1 times [2018-02-02 21:09:38,553 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:38,554 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:38,555 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,555 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:38,555 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:38,572 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:38,616 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:38,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:09:38,617 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:09:38,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:09:38,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:09:38,618 INFO L87 Difference]: Start difference. First operand 152 states and 161 transitions. Second operand 6 states. [2018-02-02 21:09:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:38,759 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2018-02-02 21:09:38,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:09:38,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-02-02 21:09:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:38,761 INFO L225 Difference]: With dead ends: 153 [2018-02-02 21:09:38,761 INFO L226 Difference]: Without dead ends: 153 [2018-02-02 21:09:38,762 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:09:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-02-02 21:09:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2018-02-02 21:09:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-02 21:09:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2018-02-02 21:09:38,771 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 19 [2018-02-02 21:09:38,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:38,771 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2018-02-02 21:09:38,771 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:09:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-02-02 21:09:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 21:09:38,772 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:38,772 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:38,772 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:38,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1572748951, now seen corresponding path program 1 times [2018-02-02 21:09:38,772 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:38,772 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:38,774 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,774 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:38,774 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:38,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:38,930 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:38,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:09:38,930 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 21:09:38,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 21:09:38,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:09:38,931 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 7 states. [2018-02-02 21:09:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:39,083 INFO L93 Difference]: Finished difference Result 152 states and 161 transitions. [2018-02-02 21:09:39,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 21:09:39,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-02-02 21:09:39,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:39,085 INFO L225 Difference]: With dead ends: 152 [2018-02-02 21:09:39,085 INFO L226 Difference]: Without dead ends: 152 [2018-02-02 21:09:39,085 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:09:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-02-02 21:09:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2018-02-02 21:09:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-02-02 21:09:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 159 transitions. [2018-02-02 21:09:39,093 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 159 transitions. Word has length 19 [2018-02-02 21:09:39,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:39,093 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 159 transitions. [2018-02-02 21:09:39,093 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 21:09:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2018-02-02 21:09:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-02 21:09:39,094 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:39,094 INFO L351 BasicCegarLoop]: 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] [2018-02-02 21:09:39,094 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:39,094 INFO L82 PathProgramCache]: Analyzing trace with hash -336004596, now seen corresponding path program 1 times [2018-02-02 21:09:39,095 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:39,095 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:39,096 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,096 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,096 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,108 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,184 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:39,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-02 21:09:39,185 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 21:09:39,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 21:09:39,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:09:39,185 INFO L87 Difference]: Start difference. First operand 150 states and 159 transitions. Second operand 9 states. [2018-02-02 21:09:39,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:39,257 INFO L93 Difference]: Finished difference Result 171 states and 182 transitions. [2018-02-02 21:09:39,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 21:09:39,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-02-02 21:09:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:39,264 INFO L225 Difference]: With dead ends: 171 [2018-02-02 21:09:39,264 INFO L226 Difference]: Without dead ends: 171 [2018-02-02 21:09:39,265 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-02 21:09:39,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-02-02 21:09:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 164. [2018-02-02 21:09:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-02-02 21:09:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2018-02-02 21:09:39,274 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 29 [2018-02-02 21:09:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:39,275 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2018-02-02 21:09:39,275 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 21:09:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2018-02-02 21:09:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-02 21:09:39,276 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:39,276 INFO L351 BasicCegarLoop]: 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] [2018-02-02 21:09:39,276 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:39,276 INFO L82 PathProgramCache]: Analyzing trace with hash 610577100, now seen corresponding path program 1 times [2018-02-02 21:09:39,276 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:39,276 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:39,278 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,278 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,278 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,354 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:39,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-02 21:09:39,354 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-02 21:09:39,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-02 21:09:39,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:09:39,355 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand 10 states. [2018-02-02 21:09:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:39,535 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2018-02-02 21:09:39,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 21:09:39,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-02-02 21:09:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:39,537 INFO L225 Difference]: With dead ends: 163 [2018-02-02 21:09:39,537 INFO L226 Difference]: Without dead ends: 163 [2018-02-02 21:09:39,537 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:39,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-02-02 21:09:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-02-02 21:09:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-02-02 21:09:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 172 transitions. [2018-02-02 21:09:39,545 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 172 transitions. Word has length 34 [2018-02-02 21:09:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:39,545 INFO L432 AbstractCegarLoop]: Abstraction has 163 states and 172 transitions. [2018-02-02 21:09:39,545 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-02 21:09:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 172 transitions. [2018-02-02 21:09:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-02 21:09:39,546 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:39,546 INFO L351 BasicCegarLoop]: 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] [2018-02-02 21:09:39,546 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:39,546 INFO L82 PathProgramCache]: Analyzing trace with hash 610577101, now seen corresponding path program 1 times [2018-02-02 21:09:39,546 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:39,547 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:39,548 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,548 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,548 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,560 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,583 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:39,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 21:09:39,583 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 21:09:39,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 21:09:39,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 21:09:39,584 INFO L87 Difference]: Start difference. First operand 163 states and 172 transitions. Second operand 4 states. [2018-02-02 21:09:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:39,597 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2018-02-02 21:09:39,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:09:39,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-02-02 21:09:39,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:39,600 INFO L225 Difference]: With dead ends: 166 [2018-02-02 21:09:39,600 INFO L226 Difference]: Without dead ends: 164 [2018-02-02 21:09:39,600 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:09:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-02 21:09:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-02-02 21:09:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-02-02 21:09:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2018-02-02 21:09:39,606 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 34 [2018-02-02 21:09:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:39,607 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2018-02-02 21:09:39,607 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 21:09:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2018-02-02 21:09:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-02 21:09:39,608 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:39,608 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:39,608 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:39,608 INFO L82 PathProgramCache]: Analyzing trace with hash -838244594, now seen corresponding path program 1 times [2018-02-02 21:09:39,608 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:39,608 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:39,609 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,609 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,609 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,621 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,657 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:39,657 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:39,658 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,690 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,714 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:39,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-02-02 21:09:39,715 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:09:39,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:09:39,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:09:39,715 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand 6 states. [2018-02-02 21:09:39,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:39,739 INFO L93 Difference]: Finished difference Result 167 states and 176 transitions. [2018-02-02 21:09:39,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:09:39,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-02-02 21:09:39,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:39,741 INFO L225 Difference]: With dead ends: 167 [2018-02-02 21:09:39,741 INFO L226 Difference]: Without dead ends: 165 [2018-02-02 21:09:39,741 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:09:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-02 21:09:39,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-02-02 21:09:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-02 21:09:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 174 transitions. [2018-02-02 21:09:39,746 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 174 transitions. Word has length 35 [2018-02-02 21:09:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:39,747 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 174 transitions. [2018-02-02 21:09:39,747 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:09:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2018-02-02 21:09:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-02 21:09:39,748 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:39,748 INFO L351 BasicCegarLoop]: 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] [2018-02-02 21:09:39,748 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:39,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1492923117, now seen corresponding path program 2 times [2018-02-02 21:09:39,748 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:39,748 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:39,749 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,750 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:39,750 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:39,761 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:39,791 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:39,791 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:39,792 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:39,815 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:39,815 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:39,819 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:39,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-02-02 21:09:39,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:39,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 16 [2018-02-02 21:09:39,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:39,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:39,872 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:30 [2018-02-02 21:09:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 21:09:40,104 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:40,104 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 20 [2018-02-02 21:09:40,104 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-02 21:09:40,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-02 21:09:40,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-02 21:09:40,105 INFO L87 Difference]: Start difference. First operand 165 states and 174 transitions. Second operand 20 states. [2018-02-02 21:09:40,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:40,924 INFO L93 Difference]: Finished difference Result 243 states and 255 transitions. [2018-02-02 21:09:40,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-02 21:09:40,925 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2018-02-02 21:09:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:40,926 INFO L225 Difference]: With dead ends: 243 [2018-02-02 21:09:40,926 INFO L226 Difference]: Without dead ends: 241 [2018-02-02 21:09:40,927 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2018-02-02 21:09:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-02-02 21:09:40,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 165. [2018-02-02 21:09:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-02 21:09:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 174 transitions. [2018-02-02 21:09:40,932 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 174 transitions. Word has length 36 [2018-02-02 21:09:40,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:40,933 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 174 transitions. [2018-02-02 21:09:40,933 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-02 21:09:40,933 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2018-02-02 21:09:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-02 21:09:40,934 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:40,934 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:40,934 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:40,935 INFO L82 PathProgramCache]: Analyzing trace with hash 278126369, now seen corresponding path program 1 times [2018-02-02 21:09:40,935 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:40,935 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:40,936 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:40,936 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:40,936 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:40,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:41,013 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:41,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-02 21:09:41,013 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 21:09:41,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 21:09:41,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:09:41,013 INFO L87 Difference]: Start difference. First operand 165 states and 174 transitions. Second operand 9 states. [2018-02-02 21:09:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:41,060 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions. [2018-02-02 21:09:41,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 21:09:41,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-02-02 21:09:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:41,064 INFO L225 Difference]: With dead ends: 179 [2018-02-02 21:09:41,064 INFO L226 Difference]: Without dead ends: 179 [2018-02-02 21:09:41,064 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-02 21:09:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-02 21:09:41,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2018-02-02 21:09:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-02-02 21:09:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 185 transitions. [2018-02-02 21:09:41,069 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 185 transitions. Word has length 42 [2018-02-02 21:09:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:41,070 INFO L432 AbstractCegarLoop]: Abstraction has 175 states and 185 transitions. [2018-02-02 21:09:41,070 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 21:09:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 185 transitions. [2018-02-02 21:09:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-02 21:09:41,071 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:41,071 INFO L351 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:41,071 INFO L371 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:41,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2131974142, now seen corresponding path program 1 times [2018-02-02 21:09:41,071 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:41,072 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:41,072 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,073 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:41,073 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:41,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-02 21:09:41,140 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:41,140 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-02 21:09:41,140 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-02 21:09:41,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-02 21:09:41,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:09:41,141 INFO L87 Difference]: Start difference. First operand 175 states and 185 transitions. Second operand 10 states. [2018-02-02 21:09:41,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:41,301 INFO L93 Difference]: Finished difference Result 173 states and 183 transitions. [2018-02-02 21:09:41,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 21:09:41,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2018-02-02 21:09:41,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:41,303 INFO L225 Difference]: With dead ends: 173 [2018-02-02 21:09:41,303 INFO L226 Difference]: Without dead ends: 173 [2018-02-02 21:09:41,303 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-02 21:09:41,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-02-02 21:09:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-02-02 21:09:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 183 transitions. [2018-02-02 21:09:41,308 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 183 transitions. Word has length 42 [2018-02-02 21:09:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:41,308 INFO L432 AbstractCegarLoop]: Abstraction has 173 states and 183 transitions. [2018-02-02 21:09:41,308 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-02 21:09:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 183 transitions. [2018-02-02 21:09:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-02 21:09:41,309 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:41,310 INFO L351 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:41,310 INFO L371 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:41,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2131974143, now seen corresponding path program 1 times [2018-02-02 21:09:41,310 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:41,310 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:41,311 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,311 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:41,311 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:41,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:41,355 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:41,355 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:41,356 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:41,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:41,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:41,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-02-02 21:09:41,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 21:09:41,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 21:09:41,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-02-02 21:09:41,418 INFO L87 Difference]: Start difference. First operand 173 states and 183 transitions. Second operand 8 states. [2018-02-02 21:09:41,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:41,441 INFO L93 Difference]: Finished difference Result 176 states and 186 transitions. [2018-02-02 21:09:41,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 21:09:41,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-02-02 21:09:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:41,442 INFO L225 Difference]: With dead ends: 176 [2018-02-02 21:09:41,443 INFO L226 Difference]: Without dead ends: 174 [2018-02-02 21:09:41,443 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:09:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-02-02 21:09:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-02-02 21:09:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-02 21:09:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 184 transitions. [2018-02-02 21:09:41,448 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 184 transitions. Word has length 42 [2018-02-02 21:09:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:41,448 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 184 transitions. [2018-02-02 21:09:41,448 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 21:09:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2018-02-02 21:09:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 21:09:41,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:41,450 INFO L351 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:41,450 INFO L371 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:41,450 INFO L82 PathProgramCache]: Analyzing trace with hash 731661120, now seen corresponding path program 2 times [2018-02-02 21:09:41,450 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:41,450 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:41,451 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,451 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:41,451 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:41,462 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:41,527 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:41,527 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:41,528 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:41,543 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:41,543 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:41,547 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:41,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 16 [2018-02-02 21:09:41,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:41,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-02-02 21:09:41,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:41,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:41,626 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:36 [2018-02-02 21:09:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-02 21:09:41,908 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:41,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [8] total 22 [2018-02-02 21:09:41,908 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-02 21:09:41,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-02 21:09:41,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-02-02 21:09:41,909 INFO L87 Difference]: Start difference. First operand 174 states and 184 transitions. Second operand 22 states. [2018-02-02 21:09:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:42,493 INFO L93 Difference]: Finished difference Result 203 states and 213 transitions. [2018-02-02 21:09:42,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-02 21:09:42,493 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2018-02-02 21:09:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:42,494 INFO L225 Difference]: With dead ends: 203 [2018-02-02 21:09:42,494 INFO L226 Difference]: Without dead ends: 201 [2018-02-02 21:09:42,495 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=917, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 21:09:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-02-02 21:09:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 173. [2018-02-02 21:09:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-02-02 21:09:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 183 transitions. [2018-02-02 21:09:42,500 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 183 transitions. Word has length 43 [2018-02-02 21:09:42,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:42,503 INFO L432 AbstractCegarLoop]: Abstraction has 173 states and 183 transitions. [2018-02-02 21:09:42,503 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-02 21:09:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 183 transitions. [2018-02-02 21:09:42,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-02 21:09:42,506 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:42,506 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:42,506 INFO L371 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:42,506 INFO L82 PathProgramCache]: Analyzing trace with hash 689381786, now seen corresponding path program 1 times [2018-02-02 21:09:42,506 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:42,506 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:42,508 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,508 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:42,508 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:42,515 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 21:09:42,558 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:42,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:09:42,561 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:09:42,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:09:42,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:09:42,561 INFO L87 Difference]: Start difference. First operand 173 states and 183 transitions. Second operand 3 states. [2018-02-02 21:09:42,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:42,617 INFO L93 Difference]: Finished difference Result 192 states and 205 transitions. [2018-02-02 21:09:42,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:09:42,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-02-02 21:09:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:42,618 INFO L225 Difference]: With dead ends: 192 [2018-02-02 21:09:42,618 INFO L226 Difference]: Without dead ends: 179 [2018-02-02 21:09:42,618 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:09:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-02 21:09:42,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 169. [2018-02-02 21:09:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-02 21:09:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-02-02 21:09:42,622 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 47 [2018-02-02 21:09:42,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:42,623 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-02-02 21:09:42,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:09:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-02-02 21:09:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-02 21:09:42,624 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:42,624 INFO L351 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:42,624 INFO L371 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:42,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2000778853, now seen corresponding path program 1 times [2018-02-02 21:09:42,624 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:42,624 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:42,625 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,625 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:42,625 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:42,634 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-02-02 21:09:42,682 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:42,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 21:09:42,683 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 21:09:42,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 21:09:42,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-02 21:09:42,683 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 8 states. [2018-02-02 21:09:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:42,718 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2018-02-02 21:09:42,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 21:09:42,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-02-02 21:09:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:42,719 INFO L225 Difference]: With dead ends: 147 [2018-02-02 21:09:42,719 INFO L226 Difference]: Without dead ends: 145 [2018-02-02 21:09:42,719 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:09:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-02-02 21:09:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-02-02 21:09:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-02 21:09:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 151 transitions. [2018-02-02 21:09:42,723 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 151 transitions. Word has length 49 [2018-02-02 21:09:42,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:42,723 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 151 transitions. [2018-02-02 21:09:42,723 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 21:09:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 151 transitions. [2018-02-02 21:09:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-02 21:09:42,723 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:42,724 INFO L351 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:42,724 INFO L371 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:42,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2066481475, now seen corresponding path program 1 times [2018-02-02 21:09:42,724 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:42,724 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:42,725 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,725 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:42,725 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:42,733 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-02-02 21:09:42,774 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:42,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-02 21:09:42,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-02 21:09:42,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-02 21:09:42,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:09:42,775 INFO L87 Difference]: Start difference. First operand 145 states and 151 transitions. Second operand 10 states. [2018-02-02 21:09:42,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:42,812 INFO L93 Difference]: Finished difference Result 149 states and 154 transitions. [2018-02-02 21:09:42,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 21:09:42,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-02-02 21:09:42,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:42,813 INFO L225 Difference]: With dead ends: 149 [2018-02-02 21:09:42,813 INFO L226 Difference]: Without dead ends: 145 [2018-02-02 21:09:42,813 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-02-02 21:09:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-02-02 21:09:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-02 21:09:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2018-02-02 21:09:42,816 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 54 [2018-02-02 21:09:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:42,816 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2018-02-02 21:09:42,816 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-02 21:09:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2018-02-02 21:09:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-02 21:09:42,817 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:42,817 INFO L351 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:42,817 INFO L371 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:42,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1850180082, now seen corresponding path program 1 times [2018-02-02 21:09:42,817 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:42,817 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:42,818 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,818 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:42,818 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:42,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-02-02 21:09:42,928 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:42,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-02 21:09:42,929 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-02 21:09:42,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-02 21:09:42,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-02-02 21:09:42,929 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 15 states. [2018-02-02 21:09:43,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:43,150 INFO L93 Difference]: Finished difference Result 143 states and 148 transitions. [2018-02-02 21:09:43,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 21:09:43,151 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 65 [2018-02-02 21:09:43,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:43,151 INFO L225 Difference]: With dead ends: 143 [2018-02-02 21:09:43,151 INFO L226 Difference]: Without dead ends: 143 [2018-02-02 21:09:43,152 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-02-02 21:09:43,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-02-02 21:09:43,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-02-02 21:09:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-02 21:09:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 148 transitions. [2018-02-02 21:09:43,155 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 148 transitions. Word has length 65 [2018-02-02 21:09:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:43,155 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 148 transitions. [2018-02-02 21:09:43,155 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-02 21:09:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2018-02-02 21:09:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-02 21:09:43,156 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:43,156 INFO L351 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:43,156 INFO L371 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:43,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1850180083, now seen corresponding path program 1 times [2018-02-02 21:09:43,157 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:43,157 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:43,157 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:43,158 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:43,158 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:43,175 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:43,215 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:43,215 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:43,216 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:43,237 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:43,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:43,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-02-02 21:09:43,255 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-02 21:09:43,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-02 21:09:43,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:09:43,256 INFO L87 Difference]: Start difference. First operand 143 states and 148 transitions. Second operand 10 states. [2018-02-02 21:09:43,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:43,278 INFO L93 Difference]: Finished difference Result 146 states and 151 transitions. [2018-02-02 21:09:43,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 21:09:43,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-02-02 21:09:43,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:43,279 INFO L225 Difference]: With dead ends: 146 [2018-02-02 21:09:43,279 INFO L226 Difference]: Without dead ends: 144 [2018-02-02 21:09:43,280 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-02-02 21:09:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-02-02 21:09:43,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-02-02 21:09:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-02 21:09:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 149 transitions. [2018-02-02 21:09:43,283 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 149 transitions. Word has length 65 [2018-02-02 21:09:43,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:43,283 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 149 transitions. [2018-02-02 21:09:43,283 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-02 21:09:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2018-02-02 21:09:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-02 21:09:43,284 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:43,284 INFO L351 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:43,284 INFO L371 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:43,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1823769198, now seen corresponding path program 2 times [2018-02-02 21:09:43,284 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:43,284 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:43,285 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:43,285 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:43,285 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:43,297 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:43,378 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:43,378 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:43,379 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:43,397 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:43,397 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:43,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:43,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-02-02 21:09:43,419 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:43,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 16 [2018-02-02 21:09:43,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:43,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:43,445 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:36 [2018-02-02 21:09:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-02 21:09:43,897 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:43,897 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 29 [2018-02-02 21:09:43,898 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-02 21:09:43,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-02 21:09:43,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2018-02-02 21:09:43,899 INFO L87 Difference]: Start difference. First operand 144 states and 149 transitions. Second operand 29 states. [2018-02-02 21:09:44,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:44,918 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2018-02-02 21:09:44,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-02 21:09:44,918 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 66 [2018-02-02 21:09:44,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:44,919 INFO L225 Difference]: With dead ends: 145 [2018-02-02 21:09:44,919 INFO L226 Difference]: Without dead ends: 143 [2018-02-02 21:09:44,919 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=1680, Unknown=0, NotChecked=0, Total=1892 [2018-02-02 21:09:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-02-02 21:09:44,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-02-02 21:09:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-02 21:09:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 148 transitions. [2018-02-02 21:09:44,922 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 148 transitions. Word has length 66 [2018-02-02 21:09:44,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:44,922 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 148 transitions. [2018-02-02 21:09:44,923 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-02 21:09:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2018-02-02 21:09:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-02 21:09:44,923 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:44,924 INFO L351 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:44,924 INFO L371 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:44,924 INFO L82 PathProgramCache]: Analyzing trace with hash -920668901, now seen corresponding path program 1 times [2018-02-02 21:09:44,924 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:44,924 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:44,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:44,925 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:44,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:44,940 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-02-02 21:09:45,025 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:45,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-02 21:09:45,026 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 21:09:45,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 21:09:45,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:45,027 INFO L87 Difference]: Start difference. First operand 143 states and 148 transitions. Second operand 13 states. [2018-02-02 21:09:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:45,121 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2018-02-02 21:09:45,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-02 21:09:45,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 80 [2018-02-02 21:09:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:45,123 INFO L225 Difference]: With dead ends: 149 [2018-02-02 21:09:45,123 INFO L226 Difference]: Without dead ends: 143 [2018-02-02 21:09:45,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-02-02 21:09:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-02-02 21:09:45,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-02-02 21:09:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-02 21:09:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2018-02-02 21:09:45,127 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 80 [2018-02-02 21:09:45,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:45,127 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2018-02-02 21:09:45,128 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 21:09:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-02-02 21:09:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-02 21:09:45,128 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:45,129 INFO L351 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:45,129 INFO L371 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:45,129 INFO L82 PathProgramCache]: Analyzing trace with hash -773057741, now seen corresponding path program 1 times [2018-02-02 21:09:45,129 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:45,129 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:45,130 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:45,130 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:45,130 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:45,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-02-02 21:09:45,362 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:45,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-02-02 21:09:45,362 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-02 21:09:45,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-02 21:09:45,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2018-02-02 21:09:45,363 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 22 states. [2018-02-02 21:09:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:45,798 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2018-02-02 21:09:45,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-02 21:09:45,799 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 93 [2018-02-02 21:09:45,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:45,800 INFO L225 Difference]: With dead ends: 170 [2018-02-02 21:09:45,800 INFO L226 Difference]: Without dead ends: 170 [2018-02-02 21:09:45,800 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2018-02-02 21:09:45,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-02 21:09:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2018-02-02 21:09:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-02 21:09:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 175 transitions. [2018-02-02 21:09:45,811 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 175 transitions. Word has length 93 [2018-02-02 21:09:45,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:45,811 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 175 transitions. [2018-02-02 21:09:45,811 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-02 21:09:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2018-02-02 21:09:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-02 21:09:45,812 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:45,812 INFO L351 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:45,812 INFO L371 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:45,812 INFO L82 PathProgramCache]: Analyzing trace with hash -773057740, now seen corresponding path program 1 times [2018-02-02 21:09:45,812 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:45,812 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:45,813 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:45,813 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:45,813 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:45,829 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:45,946 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:45,946 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:45,948 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:45,989 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:46,015 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:46,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2018-02-02 21:09:46,015 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-02 21:09:46,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-02 21:09:46,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-02-02 21:09:46,016 INFO L87 Difference]: Start difference. First operand 165 states and 175 transitions. Second operand 12 states. [2018-02-02 21:09:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:46,045 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2018-02-02 21:09:46,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-02 21:09:46,046 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2018-02-02 21:09:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:46,047 INFO L225 Difference]: With dead ends: 168 [2018-02-02 21:09:46,047 INFO L226 Difference]: Without dead ends: 166 [2018-02-02 21:09:46,047 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-02-02 21:09:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-02-02 21:09:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-02-02 21:09:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 176 transitions. [2018-02-02 21:09:46,062 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 176 transitions. Word has length 93 [2018-02-02 21:09:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:46,062 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 176 transitions. [2018-02-02 21:09:46,062 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-02 21:09:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 176 transitions. [2018-02-02 21:09:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-02 21:09:46,063 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:46,063 INFO L351 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:46,063 INFO L371 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:46,064 INFO L82 PathProgramCache]: Analyzing trace with hash 572029523, now seen corresponding path program 2 times [2018-02-02 21:09:46,064 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:46,064 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:46,065 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:46,065 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:46,065 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:46,083 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:46,145 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:46,145 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:46,146 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:46,164 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:46,164 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:46,168 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:46,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-02-02 21:09:46,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:46,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 16 [2018-02-02 21:09:46,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:46,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:46,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:30 [2018-02-02 21:09:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-02-02 21:09:46,655 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:46,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [12] total 33 [2018-02-02 21:09:46,655 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-02 21:09:46,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-02 21:09:46,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 21:09:46,656 INFO L87 Difference]: Start difference. First operand 166 states and 176 transitions. Second operand 33 states. [2018-02-02 21:09:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:47,669 INFO L93 Difference]: Finished difference Result 167 states and 175 transitions. [2018-02-02 21:09:47,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-02 21:09:47,669 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 94 [2018-02-02 21:09:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:47,670 INFO L225 Difference]: With dead ends: 167 [2018-02-02 21:09:47,670 INFO L226 Difference]: Without dead ends: 165 [2018-02-02 21:09:47,671 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=282, Invalid=2268, Unknown=0, NotChecked=0, Total=2550 [2018-02-02 21:09:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-02 21:09:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-02-02 21:09:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-02 21:09:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 173 transitions. [2018-02-02 21:09:47,673 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 173 transitions. Word has length 94 [2018-02-02 21:09:47,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:47,673 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 173 transitions. [2018-02-02 21:09:47,673 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-02 21:09:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 173 transitions. [2018-02-02 21:09:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-02 21:09:47,674 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:47,674 INFO L351 BasicCegarLoop]: trace histogram [9, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:47,674 INFO L371 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:47,674 INFO L82 PathProgramCache]: Analyzing trace with hash 700888674, now seen corresponding path program 1 times [2018-02-02 21:09:47,674 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:47,674 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:47,675 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:47,675 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:47,675 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:47,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-02-02 21:09:47,759 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:47,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-02 21:09:47,759 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 21:09:47,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 21:09:47,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:09:47,760 INFO L87 Difference]: Start difference. First operand 165 states and 173 transitions. Second operand 13 states. [2018-02-02 21:09:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:47,839 INFO L93 Difference]: Finished difference Result 169 states and 175 transitions. [2018-02-02 21:09:47,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-02 21:09:47,839 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2018-02-02 21:09:47,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:47,840 INFO L225 Difference]: With dead ends: 169 [2018-02-02 21:09:47,840 INFO L226 Difference]: Without dead ends: 163 [2018-02-02 21:09:47,840 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-02-02 21:09:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-02-02 21:09:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-02-02 21:09:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-02-02 21:09:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 169 transitions. [2018-02-02 21:09:47,842 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 169 transitions. Word has length 102 [2018-02-02 21:09:47,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:47,843 INFO L432 AbstractCegarLoop]: Abstraction has 163 states and 169 transitions. [2018-02-02 21:09:47,843 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 21:09:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 169 transitions. [2018-02-02 21:09:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-02-02 21:09:47,843 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:47,843 INFO L351 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:47,843 INFO L371 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1156968532, now seen corresponding path program 1 times [2018-02-02 21:09:47,843 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:47,843 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:47,844 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:47,844 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:47,844 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:47,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-02-02 21:09:48,142 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:09:48,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-02-02 21:09:48,142 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 21:09:48,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 21:09:48,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-02-02 21:09:48,143 INFO L87 Difference]: Start difference. First operand 163 states and 169 transitions. Second operand 25 states. [2018-02-02 21:09:48,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:48,734 INFO L93 Difference]: Finished difference Result 173 states and 182 transitions. [2018-02-02 21:09:48,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-02 21:09:48,734 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 109 [2018-02-02 21:09:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:48,735 INFO L225 Difference]: With dead ends: 173 [2018-02-02 21:09:48,735 INFO L226 Difference]: Without dead ends: 173 [2018-02-02 21:09:48,735 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=1169, Unknown=0, NotChecked=0, Total=1260 [2018-02-02 21:09:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-02 21:09:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2018-02-02 21:09:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-02 21:09:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 179 transitions. [2018-02-02 21:09:48,739 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 179 transitions. Word has length 109 [2018-02-02 21:09:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:48,740 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 179 transitions. [2018-02-02 21:09:48,740 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 21:09:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2018-02-02 21:09:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-02-02 21:09:48,740 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:48,740 INFO L351 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:48,741 INFO L371 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:48,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1156968533, now seen corresponding path program 1 times [2018-02-02 21:09:48,741 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:48,741 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:48,742 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:48,742 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:48,742 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:48,758 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:48,905 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:48,905 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:48,905 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:48,927 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:48,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:48,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2018-02-02 21:09:48,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-02 21:09:48,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-02 21:09:48,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-02-02 21:09:48,943 INFO L87 Difference]: Start difference. First operand 169 states and 179 transitions. Second operand 14 states. [2018-02-02 21:09:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:49,005 INFO L93 Difference]: Finished difference Result 172 states and 182 transitions. [2018-02-02 21:09:49,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-02 21:09:49,006 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 109 [2018-02-02 21:09:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:49,006 INFO L225 Difference]: With dead ends: 172 [2018-02-02 21:09:49,006 INFO L226 Difference]: Without dead ends: 170 [2018-02-02 21:09:49,006 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-02-02 21:09:49,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-02 21:09:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-02-02 21:09:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-02-02 21:09:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-02-02 21:09:49,009 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 109 [2018-02-02 21:09:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:49,010 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-02-02 21:09:49,010 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-02 21:09:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-02-02 21:09:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-02-02 21:09:49,010 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:49,010 INFO L351 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:49,010 INFO L371 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:49,010 INFO L82 PathProgramCache]: Analyzing trace with hash -637126284, now seen corresponding path program 2 times [2018-02-02 21:09:49,011 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:49,011 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:49,011 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:49,011 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:49,011 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:49,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:49,183 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:49,183 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:49,183 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:49,203 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:49,203 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:49,208 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:49,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-02-02 21:09:49,216 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:49,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 16 [2018-02-02 21:09:49,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:49,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:49,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:30 [2018-02-02 21:09:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-02 21:09:49,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:49,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [14] total 39 [2018-02-02 21:09:49,884 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-02 21:09:49,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-02 21:09:49,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2018-02-02 21:09:49,885 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 39 states. [2018-02-02 21:09:51,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:51,178 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2018-02-02 21:09:51,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-02 21:09:51,178 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 110 [2018-02-02 21:09:51,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:51,179 INFO L225 Difference]: With dead ends: 171 [2018-02-02 21:09:51,179 INFO L226 Difference]: Without dead ends: 169 [2018-02-02 21:09:51,180 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 81 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=375, Invalid=3285, Unknown=0, NotChecked=0, Total=3660 [2018-02-02 21:09:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-02-02 21:09:51,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-02-02 21:09:51,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-02 21:09:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-02-02 21:09:51,182 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 110 [2018-02-02 21:09:51,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:51,182 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-02-02 21:09:51,182 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-02 21:09:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-02-02 21:09:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-02-02 21:09:51,182 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:51,182 INFO L351 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:51,182 INFO L371 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:51,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1817608758, now seen corresponding path program 1 times [2018-02-02 21:09:51,183 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:51,183 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:51,183 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:51,183 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:51,183 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:51,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:51,368 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:51,368 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:51,368 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:51,394 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:51,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:51,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2018-02-02 21:09:51,417 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-02 21:09:51,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-02 21:09:51,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-02-02 21:09:51,418 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 16 states. [2018-02-02 21:09:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:51,454 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2018-02-02 21:09:51,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 21:09:51,455 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 115 [2018-02-02 21:09:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:51,455 INFO L225 Difference]: With dead ends: 172 [2018-02-02 21:09:51,455 INFO L226 Difference]: Without dead ends: 170 [2018-02-02 21:09:51,456 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2018-02-02 21:09:51,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-02 21:09:51,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-02-02 21:09:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-02-02 21:09:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 179 transitions. [2018-02-02 21:09:51,459 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 179 transitions. Word has length 115 [2018-02-02 21:09:51,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:51,459 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 179 transitions. [2018-02-02 21:09:51,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-02 21:09:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 179 transitions. [2018-02-02 21:09:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-02-02 21:09:51,460 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:51,460 INFO L351 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:51,460 INFO L371 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 70072341, now seen corresponding path program 2 times [2018-02-02 21:09:51,460 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:51,461 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:51,461 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:51,461 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:51,461 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:51,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:09:51,620 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:51,620 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:51,621 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:09:51,652 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:09:51,652 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:09:51,660 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:51,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-02 21:09:51,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-02-02 21:09:51,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:51,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:51,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:51,835 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-02-02 21:09:52,028 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 21:09:52,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 21:09:52,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-02 21:09:52,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:26 [2018-02-02 21:09:52,035 WARN L1033 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_DerPreprocessor_2 Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_DerPreprocessor_2) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2018-02-02 21:09:52,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2018-02-02 21:09:52,056 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:09:52,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-02-02 21:09:52,061 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:09:52,061 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:09:52,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-02-02 21:09:52,066 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,100 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,107 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:37, output treesize:9 [2018-02-02 21:09:52,483 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:09:52,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-02-02 21:09:52,485 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:09:52,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 7 [2018-02-02 21:09:52,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-02 21:09:52,488 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2018-02-02 21:09:52,914 INFO L477 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 17 treesize of output 13 [2018-02-02 21:09:52,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-02-02 21:09:52,918 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-02 21:09:52,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:52,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-02 21:09:52,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2018-02-02 21:09:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-02-02 21:09:53,222 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:09:53,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [53] imperfect sequences [16] total 67 [2018-02-02 21:09:53,223 INFO L409 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-02-02 21:09:53,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-02-02 21:09:53,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=4069, Unknown=1, NotChecked=128, Total=4422 [2018-02-02 21:09:53,223 INFO L87 Difference]: Start difference. First operand 170 states and 179 transitions. Second operand 67 states. [2018-02-02 21:09:55,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:55,781 INFO L93 Difference]: Finished difference Result 175 states and 178 transitions. [2018-02-02 21:09:55,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-02-02 21:09:55,781 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 116 [2018-02-02 21:09:55,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:55,782 INFO L225 Difference]: With dead ends: 175 [2018-02-02 21:09:55,782 INFO L226 Difference]: Without dead ends: 164 [2018-02-02 21:09:55,784 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1605 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=384, Invalid=8931, Unknown=1, NotChecked=190, Total=9506 [2018-02-02 21:09:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-02 21:09:55,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-02-02 21:09:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-02-02 21:09:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 167 transitions. [2018-02-02 21:09:55,787 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 167 transitions. Word has length 116 [2018-02-02 21:09:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:55,787 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 167 transitions. [2018-02-02 21:09:55,787 INFO L433 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-02-02 21:09:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 167 transitions. [2018-02-02 21:09:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-02-02 21:09:55,788 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:55,788 INFO L351 BasicCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:55,788 INFO L371 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:55,788 INFO L82 PathProgramCache]: Analyzing trace with hash -2129620089, now seen corresponding path program 1 times [2018-02-02 21:09:55,788 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:55,788 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:55,789 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:55,789 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-02 21:09:55,789 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:55,808 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-02-02 21:09:56,039 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:56,039 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:56,040 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:56,072 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-02 21:09:56,365 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:56,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 36 [2018-02-02 21:09:56,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-02 21:09:56,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-02 21:09:56,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1098, Unknown=0, NotChecked=0, Total=1260 [2018-02-02 21:09:56,366 INFO L87 Difference]: Start difference. First operand 164 states and 167 transitions. Second operand 36 states. [2018-02-02 21:09:57,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:57,422 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2018-02-02 21:09:57,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-02 21:09:57,422 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 126 [2018-02-02 21:09:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:57,423 INFO L225 Difference]: With dead ends: 179 [2018-02-02 21:09:57,423 INFO L226 Difference]: Without dead ends: 177 [2018-02-02 21:09:57,424 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=492, Invalid=4064, Unknown=0, NotChecked=0, Total=4556 [2018-02-02 21:09:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-02 21:09:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 167. [2018-02-02 21:09:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-02 21:09:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2018-02-02 21:09:57,426 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 126 [2018-02-02 21:09:57,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:57,426 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2018-02-02 21:09:57,426 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-02 21:09:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2018-02-02 21:09:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-02-02 21:09:57,427 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:57,427 INFO L351 BasicCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:57,428 INFO L371 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:57,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1333200073, now seen corresponding path program 1 times [2018-02-02 21:09:57,428 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:57,428 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:57,429 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:57,429 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:57,429 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:57,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-02-02 21:09:57,842 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:57,842 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:57,843 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:57,876 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-02 21:09:58,215 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:58,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18] total 40 [2018-02-02 21:09:58,215 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-02 21:09:58,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-02 21:09:58,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1378, Unknown=0, NotChecked=0, Total=1560 [2018-02-02 21:09:58,216 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 40 states. [2018-02-02 21:09:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:59,426 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2018-02-02 21:09:59,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-02 21:09:59,427 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 141 [2018-02-02 21:09:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:59,427 INFO L225 Difference]: With dead ends: 179 [2018-02-02 21:09:59,427 INFO L226 Difference]: Without dead ends: 177 [2018-02-02 21:09:59,428 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=558, Invalid=5142, Unknown=0, NotChecked=0, Total=5700 [2018-02-02 21:09:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-02 21:09:59,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 167. [2018-02-02 21:09:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-02 21:09:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2018-02-02 21:09:59,430 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 141 [2018-02-02 21:09:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:59,431 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2018-02-02 21:09:59,431 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-02 21:09:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2018-02-02 21:09:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-02-02 21:09:59,431 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:59,431 INFO L351 BasicCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:59,431 INFO L371 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:59,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1992522262, now seen corresponding path program 1 times [2018-02-02 21:09:59,431 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:59,432 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:59,432 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:59,432 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:59,432 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:59,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 9 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-02 21:09:59,646 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:09:59,646 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:09:59,646 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:59,666 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:09:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-02 21:09:59,681 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:09:59,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2018-02-02 21:09:59,682 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-02 21:09:59,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-02 21:09:59,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-02-02 21:09:59,683 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 20 states. [2018-02-02 21:09:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:09:59,711 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2018-02-02 21:09:59,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-02 21:09:59,712 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 146 [2018-02-02 21:09:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:09:59,712 INFO L225 Difference]: With dead ends: 170 [2018-02-02 21:09:59,712 INFO L226 Difference]: Without dead ends: 168 [2018-02-02 21:09:59,713 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=243, Unknown=0, NotChecked=0, Total=420 [2018-02-02 21:09:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-02-02 21:09:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-02-02 21:09:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-02-02 21:09:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2018-02-02 21:09:59,715 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 146 [2018-02-02 21:09:59,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:09:59,715 INFO L432 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2018-02-02 21:09:59,715 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-02 21:09:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2018-02-02 21:09:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-02-02 21:09:59,715 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:09:59,715 INFO L351 BasicCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:09:59,715 INFO L371 AbstractCegarLoop]: === Iteration 32 === [ldv_kref_initErr0RequiresViolation, ldv_kref_initErr1RequiresViolation, ldv_kobject_createErr0RequiresViolation, ldv_kobject_createErr1RequiresViolation, ldv_atomic_sub_returnErr1RequiresViolation, ldv_atomic_sub_returnErr0RequiresViolation, ldv_atomic_sub_returnErr3RequiresViolation, ldv_atomic_sub_returnErr2RequiresViolation, ldv_atomic_add_returnErr0RequiresViolation, ldv_atomic_add_returnErr1RequiresViolation, ldv_atomic_add_returnErr2RequiresViolation, ldv_atomic_add_returnErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, mainErr0EnsuresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation]=== [2018-02-02 21:09:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash 903271467, now seen corresponding path program 2 times [2018-02-02 21:09:59,716 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:09:59,716 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:09:59,716 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:59,716 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:09:59,716 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:09:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:09:59,765 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:09:59,785 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 21:09:59,788 INFO L168 Benchmark]: Toolchain (without parser) took 22218.50 ms. Allocated memory was 397.4 MB in the beginning and 1.0 GB in the end (delta: 650.1 MB). Free memory was 354.1 MB in the beginning and 442.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 562.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:09:59,789 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 397.4 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:09:59,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.70 ms. Allocated memory is still 397.4 MB. Free memory was 354.1 MB in the beginning and 339.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:09:59,789 INFO L168 Benchmark]: Boogie Preprocessor took 32.02 ms. Allocated memory is still 397.4 MB. Free memory was 339.6 MB in the beginning and 338.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 21:09:59,789 INFO L168 Benchmark]: RCFGBuilder took 379.83 ms. Allocated memory is still 397.4 MB. Free memory was 338.2 MB in the beginning and 299.6 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:09:59,789 INFO L168 Benchmark]: TraceAbstraction took 21628.32 ms. Allocated memory was 397.4 MB in the beginning and 1.0 GB in the end (delta: 650.1 MB). Free memory was 299.6 MB in the beginning and 442.0 MB in the end (delta: -142.5 MB). Peak memory consumption was 507.7 MB. Max. memory is 5.3 GB. [2018-02-02 21:09:59,790 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 397.4 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 175.70 ms. Allocated memory is still 397.4 MB. Free memory was 354.1 MB in the beginning and 339.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.02 ms. Allocated memory is still 397.4 MB. Free memory was 339.6 MB in the beginning and 338.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 379.83 ms. Allocated memory is still 397.4 MB. Free memory was 338.2 MB in the beginning and 299.6 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21628.32 ms. Allocated memory was 397.4 MB in the beginning and 1.0 GB in the end (delta: 650.1 MB). Free memory was 299.6 MB in the beginning and 442.0 MB in the end (delta: -142.5 MB). Peak memory consumption was 507.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-09-59-797.csv Received shutdown request...