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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:27:34,758 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:27:34,760 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:27:34,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:27:34,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:27:34,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:27:34,779 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:27:34,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:27:34,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:27:34,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:27:34,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:27:34,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:27:34,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:27:34,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:27:34,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:27:34,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:27:34,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:27:34,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:27:34,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:27:34,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:27:34,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:27:34,805 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:27:34,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:27:34,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:27:34,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:27:34,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:27:34,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:27:34,810 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:27:34,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:27:34,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:27:34,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:27:34,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:27:34,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:27:34,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:27:34,823 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:27:34,823 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:27:34,824 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:27:34,824 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:27:34,824 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:27:34,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:27:34,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:27:34,825 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:27:34,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:27:34,826 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:27:34,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:27:34,826 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:27:34,826 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:27:34,826 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:27:34,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:27:34,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:27:34,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:27:34,827 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:27:34,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:27:34,828 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:27:34,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:27:34,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:27:34,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:27:34,828 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:27:34,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:27:34,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:27:34,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:27:34,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:27:34,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:27:34,830 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:27:34,831 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:27:34,831 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:27:34,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:27:34,893 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:27:34,898 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:27:34,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:27:34,900 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:27:34,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-01-31 09:27:35,160 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:27:35,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:27:35,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:27:35,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:27:35,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:27:35,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a41265b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35, skipping insertion in model container [2018-01-31 09:27:35,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,199 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:27:35,269 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:27:35,426 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:27:35,450 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:27:35,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35 WrapperNode [2018-01-31 09:27:35,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:27:35,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:27:35,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:27:35,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:27:35,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... [2018-01-31 09:27:35,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:27:35,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:27:35,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:27:35,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:27:35,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 09:27:35,578 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:27:35,578 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:27:35,579 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemset [2018-01-31 09:27:35,579 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:27:35,579 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:27:35,579 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:27:35,579 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:27:35,579 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:27:35,580 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:27:35,580 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:27:35,581 INFO L128 BoogieDeclarations]: Found specification of procedure cmemset [2018-01-31 09:27:35,581 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:27:35,581 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:27:35,581 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:27:36,011 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:27:36,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:27:36 BoogieIcfgContainer [2018-01-31 09:27:36,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:27:36,012 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:27:36,012 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:27:36,013 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:27:36,018 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:27:36" (1/1) ... [2018-01-31 09:27:36,029 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:27:36,029 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:27:36,029 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:27:36,064 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 5 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:27:36,087 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:27:36,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:27:48,931 INFO L314 AbstractInterpreter]: Visited 58 different actions 353 times. Merged at 28 different actions 186 times. Never widened. Found 18 fixpoints after 2 different actions. Largest state had 40 variables. [2018-01-31 09:27:48,933 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:27:48,945 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 1 [2018-01-31 09:27:48,945 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:27:48,946 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:27:48,946 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_int_6| |v_cmemset_#t~post1.base_3|), at (SUMMARY for call write~int(~c, #t~post1.base, #t~post1.offset, 1); srcloc: L546'')) [2018-01-31 09:27:48,955 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:27:48,955 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:27:48,956 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:27:48,956 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:27:48,956 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:27:48,956 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:27:48,956 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-01-31 09:27:48,957 INFO L564 PartitionManager]: # location blocks :0 [2018-01-31 09:27:48,957 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:27:48,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:27:48 BasicIcfg [2018-01-31 09:27:48,975 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:27:48,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:27:48,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:27:48,985 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:27:48,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:27:35" (1/4) ... [2018-01-31 09:27:48,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41db89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:27:48, skipping insertion in model container [2018-01-31 09:27:48,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:27:35" (2/4) ... [2018-01-31 09:27:48,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41db89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:27:48, skipping insertion in model container [2018-01-31 09:27:48,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:27:36" (3/4) ... [2018-01-31 09:27:48,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41db89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:27:48, skipping insertion in model container [2018-01-31 09:27:48,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:27:48" (4/4) ... [2018-01-31 09:27:48,988 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:27:49,101 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:27:49,109 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 09:27:49,153 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:27:49,153 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:27:49,154 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:27:49,154 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:27:49,154 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:27:49,154 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:27:49,154 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:27:49,154 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:27:49,155 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:27:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-31 09:27:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-31 09:27:49,175 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:27:49,176 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] [2018-01-31 09:27:49,176 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 09:27:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -914355216, now seen corresponding path program 1 times [2018-01-31 09:27:49,183 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:27:49,184 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:27:49,238 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:49,239 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:49,239 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:49,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:27:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:49,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:27:49,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 09:27:49,460 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:27:49,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:27:49,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:27:49,469 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2018-01-31 09:27:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:27:49,938 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2018-01-31 09:27:49,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 09:27:49,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-01-31 09:27:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:27:49,971 INFO L225 Difference]: With dead ends: 62 [2018-01-31 09:27:49,972 INFO L226 Difference]: Without dead ends: 38 [2018-01-31 09:27:49,975 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:27:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-01-31 09:27:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-01-31 09:27:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-31 09:27:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-01-31 09:27:50,007 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 21 [2018-01-31 09:27:50,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:27:50,007 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-01-31 09:27:50,007 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:27:50,007 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-01-31 09:27:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-31 09:27:50,008 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:27:50,008 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] [2018-01-31 09:27:50,009 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 09:27:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash 8135290, now seen corresponding path program 1 times [2018-01-31 09:27:50,009 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:27:50,009 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:27:50,010 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:50,010 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:50,010 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:50,029 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:27:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:50,277 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:27:50,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 09:27:50,279 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 09:27:50,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 09:27:50,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-31 09:27:50,280 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 8 states. [2018-01-31 09:27:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:27:50,523 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-01-31 09:27:50,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-31 09:27:50,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-01-31 09:27:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:27:50,526 INFO L225 Difference]: With dead ends: 38 [2018-01-31 09:27:50,526 INFO L226 Difference]: Without dead ends: 37 [2018-01-31 09:27:50,527 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-01-31 09:27:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-31 09:27:50,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-31 09:27:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-31 09:27:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-01-31 09:27:50,533 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 25 [2018-01-31 09:27:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:27:50,533 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-01-31 09:27:50,533 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 09:27:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-01-31 09:27:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-31 09:27:50,534 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:27:50,534 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] [2018-01-31 09:27:50,534 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 09:27:50,535 INFO L82 PathProgramCache]: Analyzing trace with hash 8135292, now seen corresponding path program 1 times [2018-01-31 09:27:50,535 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:27:50,535 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:27:50,536 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:50,536 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:50,536 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:50,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:27:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:50,791 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:27:50,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-31 09:27:50,791 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-31 09:27:50,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-31 09:27:50,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-01-31 09:27:50,792 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 9 states. [2018-01-31 09:27:51,118 WARN L143 SmtUtils]: Spent 158ms on a formula simplification that was a NOOP. DAG size: 19 [2018-01-31 09:27:51,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:27:51,341 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-01-31 09:27:51,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-31 09:27:51,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-01-31 09:27:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:27:51,343 INFO L225 Difference]: With dead ends: 42 [2018-01-31 09:27:51,343 INFO L226 Difference]: Without dead ends: 41 [2018-01-31 09:27:51,343 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-01-31 09:27:51,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-31 09:27:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-01-31 09:27:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-31 09:27:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-01-31 09:27:51,350 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 25 [2018-01-31 09:27:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:27:51,350 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-01-31 09:27:51,350 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-31 09:27:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-01-31 09:27:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-31 09:27:51,352 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:27:51,352 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] [2018-01-31 09:27:51,352 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 09:27:51,352 INFO L82 PathProgramCache]: Analyzing trace with hash 208894627, now seen corresponding path program 1 times [2018-01-31 09:27:51,352 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:27:51,352 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:27:51,354 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:51,354 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:51,354 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:51,378 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:27:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:51,765 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 09:27:51,765 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 09:27:51,780 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:51,817 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 09:27:51,859 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 6 treesize of output 5 [2018-01-31 09:27:51,859 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 09:27:51,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 09:27:51,874 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-31 09:27:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:52,553 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 09:27:52,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26 [2018-01-31 09:27:52,554 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-01-31 09:27:52,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-01-31 09:27:52,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=644, Unknown=0, NotChecked=0, Total=702 [2018-01-31 09:27:52,554 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 27 states. [2018-01-31 09:27:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:27:53,635 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-01-31 09:27:53,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-31 09:27:53,637 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 34 [2018-01-31 09:27:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:27:53,638 INFO L225 Difference]: With dead ends: 52 [2018-01-31 09:27:53,638 INFO L226 Difference]: Without dead ends: 51 [2018-01-31 09:27:53,638 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=227, Invalid=1495, Unknown=0, NotChecked=0, Total=1722 [2018-01-31 09:27:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-31 09:27:53,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2018-01-31 09:27:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-31 09:27:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-01-31 09:27:53,645 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 34 [2018-01-31 09:27:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:27:53,645 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-01-31 09:27:53,646 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-01-31 09:27:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-01-31 09:27:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-31 09:27:53,647 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:27:53,647 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-01-31 09:27:53,647 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 09:27:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash -59810212, now seen corresponding path program 2 times [2018-01-31 09:27:53,648 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:27:53,648 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:27:53,649 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:53,649 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:27:53,649 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:27:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:27:53,688 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:27:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:54,135 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 09:27:54,135 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 09:27:54,141 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-31 09:27:54,158 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 09:27:54,175 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 09:27:54,188 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-31 09:27:54,192 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 09:27:54,202 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 6 treesize of output 5 [2018-01-31 09:27:54,203 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 09:27:54,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 09:27:54,206 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-31 09:27:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:27:54,704 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 09:27:54,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-01-31 09:27:54,704 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-31 09:27:54,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-31 09:27:54,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1035, Unknown=0, NotChecked=0, Total=1122 [2018-01-31 09:27:54,705 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 34 states. [2018-01-31 09:27:56,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:27:56,027 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-01-31 09:27:56,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-31 09:27:56,028 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 43 [2018-01-31 09:27:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:27:56,029 INFO L225 Difference]: With dead ends: 60 [2018-01-31 09:27:56,029 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 09:27:56,031 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=393, Invalid=3029, Unknown=0, NotChecked=0, Total=3422 [2018-01-31 09:27:56,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 09:27:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 09:27:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 09:27:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 09:27:56,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-31 09:27:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:27:56,032 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 09:27:56,032 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-01-31 09:27:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 09:27:56,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 09:27:56,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 09:27:56,284 WARN L146 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 33 DAG size of output 27 [2018-01-31 09:27:56,431 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 73 DAG size of output 54 [2018-01-31 09:27:56,454 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,454 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,454 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 564) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:27:56,454 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,454 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 564) the Hoare annotation is: true [2018-01-31 09:27:56,454 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 564) the Hoare annotation is: true [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-01-31 09:27:56,455 INFO L399 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L395 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (and (= main_~n~4 (select |#length| main_~nondetArea~4.base)) (= 1 (select |#valid| main_~nondetArea~4.base)) (<= (+ main_~nondetArea~4.offset 1) main_~n~4) (= 0 main_~nondetArea~4.offset) (= (select |#length| |main_#t~malloc6.base|) main_~n~4) (= 1 (select |#valid| |main_#t~malloc6.base|)) (= (store |#valid| |main_#t~malloc6.base| (select (store |#valid| |main_#t~malloc6.base| 0) |main_#t~malloc6.base|)) |old(#valid)|) (= |main_#t~malloc6.offset| 0)) [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 551 564) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point L555(lines 555 557) no Hoare annotation was computed. [2018-01-31 09:27:56,456 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 551 564) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 551 564) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L554''(line 554) no Hoare annotation was computed. [2018-01-31 09:27:56,457 INFO L399 ceAbstractionStarter]: For program point L558'(lines 558 560) no Hoare annotation was computed. [2018-01-31 09:27:56,458 INFO L399 ceAbstractionStarter]: For program point L555''(lines 555 557) no Hoare annotation was computed. [2018-01-31 09:27:56,458 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 551 564) no Hoare annotation was computed. [2018-01-31 09:27:56,458 INFO L395 ceAbstractionStarter]: At program point L545'''(lines 545 547) the Hoare annotation is: (let ((.cse7 (select |#length| cmemset_~dst.base))) (let ((.cse6 (select |#length| |cmemset_#in~dst.base|)) (.cse0 (= 1 (select |#valid| cmemset_~dst.base))) (.cse2 (= 0 cmemset_~dst.offset)) (.cse1 (select |#length| cmemset_~d~3.base)) (.cse3 (= .cse7 |cmemset_#in~n|)) (.cse4 (= 1 (select |#valid| cmemset_~d~3.base)))) (or (and .cse0 (not (= 0 (mod (+ .cse1 4294967295) 4294967296))) .cse2 (<= 1 .cse1) (= 1 cmemset_~d~3.offset) .cse3 (= (+ cmemset_~n 1) .cse1) .cse4) (let ((.cse5 (+ cmemset_~d~3.offset cmemset_~n))) (and .cse0 (<= .cse5 .cse1) (<= .cse1 .cse5) .cse2 (<= 2 cmemset_~d~3.offset) .cse3 .cse4 (<= 1 cmemset_~n))) (< .cse6 (+ |cmemset_#in~dst.offset| 1)) (not (= .cse6 |cmemset_#in~n|)) (and .cse0 .cse2 (= .cse1 cmemset_~n) (= 0 cmemset_~d~3.offset) .cse3 (= cmemset_~n .cse7) .cse4) (not (= |cmemset_#in~dst.offset| 0)) (not (= (select |#valid| |cmemset_#in~dst.base|) 1))))) [2018-01-31 09:27:56,458 INFO L399 ceAbstractionStarter]: For program point L540'(lines 540 550) no Hoare annotation was computed. [2018-01-31 09:27:56,458 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-01-31 09:27:56,458 INFO L399 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point L545(lines 545 547) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point L543(lines 543 548) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L402 ceAbstractionStarter]: At program point cmemsetENTRY(lines 540 550) the Hoare annotation is: true [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point cmemsetEXIT(lines 540 550) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point cmemsetErr0RequiresViolation(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,459 INFO L399 ceAbstractionStarter]: For program point L543'(lines 543 548) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L545'(lines 545 547) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point cmemsetErr1RequiresViolation(lines 1 564) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point cmemsetFINAL(lines 540 550) no Hoare annotation was computed. [2018-01-31 09:27:56,460 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-31 09:27:56,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,469 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,470 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,470 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,470 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,470 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,480 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,480 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,480 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:27:56 BasicIcfg [2018-01-31 09:27:56,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:27:56,483 INFO L168 Benchmark]: Toolchain (without parser) took 21322.87 ms. Allocated memory was 309.3 MB in the beginning and 1.3 GB in the end (delta: 952.1 MB). Free memory was 269.1 MB in the beginning and 325.7 MB in the end (delta: -56.6 MB). Peak memory consumption was 895.5 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,484 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:27:56,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.29 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 257.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,485 INFO L168 Benchmark]: Boogie Preprocessor took 46.40 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,487 INFO L168 Benchmark]: RCFGBuilder took 506.57 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 239.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,488 INFO L168 Benchmark]: IcfgTransformer took 12963.18 ms. Allocated memory was 309.3 MB in the beginning and 1.2 GB in the end (delta: 876.1 MB). Free memory was 239.9 MB in the beginning and 666.7 MB in the end (delta: -426.8 MB). Peak memory consumption was 449.3 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,488 INFO L168 Benchmark]: TraceAbstraction took 7506.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 666.7 MB in the beginning and 325.7 MB in the end (delta: 341.0 MB). Peak memory consumption was 417.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:27:56,490 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 290.29 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 257.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.40 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 506.57 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 239.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 5.3 GB. * IcfgTransformer took 12963.18 ms. Allocated memory was 309.3 MB in the beginning and 1.2 GB in the end (delta: 876.1 MB). Free memory was 239.9 MB in the beginning and 666.7 MB in the end (delta: -426.8 MB). Peak memory consumption was 449.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7506.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 666.7 MB in the beginning and 325.7 MB in the end (delta: 341.0 MB). Peak memory consumption was 417.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 49 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 702 LocStat_NO_SUPPORTING_DISEQUALITIES : 213 LocStat_NO_DISJUNCTIONS : -98 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 67 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 100 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 67 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 10.082315 RENAME_VARIABLES(MILLISECONDS) : 0.866180 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 10.041695 PROJECTAWAY(MILLISECONDS) : 15.525816 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.051088 DISJOIN(MILLISECONDS) : 1.113431 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.890866 ADD_EQUALITY(MILLISECONDS) : 0.026643 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.036456 #CONJOIN_DISJUNCTIVE : 549 #RENAME_VARIABLES : 1222 #UNFREEZE : 0 #CONJOIN : 814 #PROJECTAWAY : 744 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 131 #RENAME_VARIABLES_DISJUNCTIVE : 1222 #ADD_EQUALITY : 101 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 0 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 0 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 0 COUNT_ARRAY_READS for [#memory_int] : 1 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-01-31 09:27:56,505 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,505 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,505 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,505 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,506 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,506 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,506 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,506 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,507 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,507 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,507 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,507 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 09:27:56,513 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((1 == \valid[dst] && !(0 == (unknown-#length-unknown[d] + 4294967295) % 4294967296)) && 0 == dst) && 1 <= unknown-#length-unknown[d]) && 1 == d) && unknown-#length-unknown[dst] == \old(n)) && n + 1 == unknown-#length-unknown[d]) && 1 == \valid[d]) || (((((((1 == \valid[dst] && d + n <= unknown-#length-unknown[d]) && unknown-#length-unknown[d] <= d + n) && 0 == dst) && 2 <= d) && unknown-#length-unknown[dst] == \old(n)) && 1 == \valid[d]) && 1 <= n)) || unknown-#length-unknown[dst] < dst + 1) || !(unknown-#length-unknown[dst] == \old(n))) || ((((((1 == \valid[dst] && 0 == dst) && unknown-#length-unknown[d] == n) && 0 == d) && unknown-#length-unknown[dst] == \old(n)) && n == unknown-#length-unknown[dst]) && 1 == \valid[d])) || !(dst == 0)) || !(\valid[dst] == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 51 locations, 3 error locations. SAFE Result, 7.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 176 SDtfs, 389 SDslu, 1472 SDs, 0 SdLazy, 870 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 192 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 304 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 61231 SizeOfPredicates, 34 NumberOfNonLiveVariables, 205 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 0/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-27-56-518.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-27-56-518.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-27-56-518.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-27-56-518.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-27-56-518.csv Received shutdown request...