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/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:39:44,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:39:44,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:39:44,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:39:44,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:39:44,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:39:44,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:39:44,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:39:44,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:39:44,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:39:44,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:39:44,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:39:44,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:39:44,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:39:44,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:39:44,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:39:44,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:39:44,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:39:44,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:39:44,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:39:44,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:39:44,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:39:44,718 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:39:44,719 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:39:44,720 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:39:44,721 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:39:44,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:39:44,722 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:39:44,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:39:44,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:39:44,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:39:44,724 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 09:39:44,741 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:39:44,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:39:44,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:39:44,742 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:39:44,742 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:39:44,743 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:39:44,743 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:39:44,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:39:44,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:39:44,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:39:44,749 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:39:44,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:39:44,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:39:44,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:39:44,750 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:39:44,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:39:44,751 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:39:44,751 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:39:44,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:39:44,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:39:44,752 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:39:44,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:39:44,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:39:44,752 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:39:44,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:39:44,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:39:44,753 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:39:44,754 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:39:44,754 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:39:44,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:39:44,813 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:39:44,817 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:39:44,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:39:44,818 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:39:44,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2018-01-31 09:39:44,926 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:39:44,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:39:44,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:39:44,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:39:44,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:39:44,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:39:44" (1/1) ... [2018-01-31 09:39:44,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b95efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:44, skipping insertion in model container [2018-01-31 09:39:44,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:39:44" (1/1) ... [2018-01-31 09:39:44,970 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:39:44,990 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:39:45,167 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:39:45,193 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:39:45,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45 WrapperNode [2018-01-31 09:39:45,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:39:45,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:39:45,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:39:45,203 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:39:45,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:39:45,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:39:45,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:39:45,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:39:45,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (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 09:39:45,314 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:39:45,315 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:39:45,315 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-31 09:39:45,315 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:39:45,315 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:39:45,315 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:39:45,315 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:39:45,316 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:39:45,769 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:39:45,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:45 BoogieIcfgContainer [2018-01-31 09:39:45,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:39:45,770 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:39:45,770 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:39:45,772 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:39:45,774 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:45" (1/1) ... [2018-01-31 09:39:45,781 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:39:45,781 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:39:45,782 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:39:45,845 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 7 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:39:45,872 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:39:45,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:39:56,488 INFO L314 AbstractInterpreter]: Visited 70 different actions 373 times. Merged at 43 different actions 181 times. Never widened. Found 22 fixpoints after 6 different actions. Largest state had 44 variables. [2018-01-31 09:39:56,491 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:39:56,506 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-01-31 09:39:56,507 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:39:56,507 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:39:56,508 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v_foo_~b.base_2) (+ (* 4 v_foo_~i~1_7) v_foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~1 * 4, 4); srcloc: L15')) ((select (select |v_#memory_int_4| |v_main_~#b~3.base_1|) (+ (* 4 v_main_~i~3_3) |v_main_~#b~3.offset_1|)), at (SUMMARY for call #t~mem5 := read~int(~#b~3.base, ~#b~3.offset + ~i~3 * 4, 4); srcloc: L26)) ((select |v_#memory_int_6| |v_main_~#b~3.base_10|), at (SUMMARY for call write~int(#t~ret3, ~#b~3.base, ~#b~3.offset + ~i~3 * 4, 4); srcloc: L23'')) [2018-01-31 09:39:56,514 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:39:56,514 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:39:56,514 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:39:56,514 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:39:56,514 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:39:56,515 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:39:56,515 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:39:56,515 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:39:56,516 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:39:56,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:39:56 BasicIcfg [2018-01-31 09:39:56,539 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:39:56,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:39:56,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:39:56,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:39:56,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:39:44" (1/4) ... [2018-01-31 09:39:56,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d57b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:39:56, skipping insertion in model container [2018-01-31 09:39:56,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:45" (2/4) ... [2018-01-31 09:39:56,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d57b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:39:56, skipping insertion in model container [2018-01-31 09:39:56,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:45" (3/4) ... [2018-01-31 09:39:56,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d57b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:39:56, skipping insertion in model container [2018-01-31 09:39:56,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:39:56" (4/4) ... [2018-01-31 09:39:56,550 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:39:56,559 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:39:56,567 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-01-31 09:39:56,712 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:39:56,713 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:39:56,713 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:39:56,713 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:39:56,713 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:39:56,713 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:39:56,713 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:39:56,713 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:39:56,714 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:39:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-01-31 09:39:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:39:56,738 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:39:56,739 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:39:56,739 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:39:56,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1225542531, now seen corresponding path program 1 times [2018-01-31 09:39:56,746 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:39:56,747 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:39:56,803 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:56,804 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:39:56,804 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:39:56,848 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:39:56,882 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 09:39:56,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:39:56,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 09:39:56,885 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 09:39:56,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 09:39:56,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:39:56,895 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-01-31 09:39:56,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:39:56,916 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2018-01-31 09:39:56,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 09:39:56,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-01-31 09:39:56,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:39:56,934 INFO L225 Difference]: With dead ends: 113 [2018-01-31 09:39:56,934 INFO L226 Difference]: Without dead ends: 58 [2018-01-31 09:39:56,940 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:39:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-01-31 09:39:56,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-01-31 09:39:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-31 09:39:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-01-31 09:39:56,981 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 10 [2018-01-31 09:39:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:39:56,982 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-01-31 09:39:56,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 09:39:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-01-31 09:39:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:39:56,983 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:39:56,983 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:39:56,983 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:39:56,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631869, now seen corresponding path program 1 times [2018-01-31 09:39:56,984 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:39:56,984 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:39:56,985 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:56,985 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:39:56,986 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:39:57,003 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:39:57,103 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 09:39:57,103 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:39:57,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 09:39:57,105 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-31 09:39:57,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-31 09:39:57,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:39:57,107 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 3 states. [2018-01-31 09:39:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:39:57,199 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-01-31 09:39:57,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-31 09:39:57,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-31 09:39:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:39:57,201 INFO L225 Difference]: With dead ends: 58 [2018-01-31 09:39:57,201 INFO L226 Difference]: Without dead ends: 56 [2018-01-31 09:39:57,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:39:57,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-31 09:39:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-01-31 09:39:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-01-31 09:39:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-01-31 09:39:57,208 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 10 [2018-01-31 09:39:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:39:57,208 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-01-31 09:39:57,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-31 09:39:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-01-31 09:39:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:39:57,209 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:39:57,209 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:39:57,209 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:39:57,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631871, now seen corresponding path program 1 times [2018-01-31 09:39:57,210 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:39:57,210 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:39:57,211 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:57,212 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:39:57,212 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:39:57,231 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:39:57,413 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 13 DAG size of output 9 [2018-01-31 09:39:57,571 WARN L146 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 15 DAG size of output 11 [2018-01-31 09:39:57,572 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 09:39:57,572 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:39:57,572 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 09:39:57,573 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:39:57,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:39:57,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:39:57,574 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 4 states. [2018-01-31 09:39:57,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:39:57,734 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2018-01-31 09:39:57,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:39:57,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-31 09:39:57,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:39:57,738 INFO L225 Difference]: With dead ends: 77 [2018-01-31 09:39:57,738 INFO L226 Difference]: Without dead ends: 60 [2018-01-31 09:39:57,738 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:39:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-01-31 09:39:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-01-31 09:39:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-31 09:39:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-01-31 09:39:57,752 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 10 [2018-01-31 09:39:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:39:57,753 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-01-31 09:39:57,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:39:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-01-31 09:39:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-31 09:39:57,753 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:39:57,753 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:39:57,753 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:39:57,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1460997744, now seen corresponding path program 1 times [2018-01-31 09:39:57,754 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:39:57,754 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:39:57,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:57,755 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:39:57,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:39:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:39:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:39:57,804 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:39:57,807 INFO L84 mationBacktranslator]: Skipped ATE [281] [281] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 09:39:57,807 INFO L84 mationBacktranslator]: Skipped ATE [287] [287] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] mainENTRY-->L21: Formula: true InVars {} OutVars{main_~i~3=v_main_~i~3_7} AuxVars[] AssignedVars[main_~i~3] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [297] [297] L21-->L21': Formula: (and (= 0 (select |v_#valid_18| |v_main_~#b~3.base_8|)) (= 0 |v_main_~#b~3.offset_7|) (not (= 0 |v_main_~#b~3.base_8|)) (= (store |v_#length_8| |v_main_~#b~3.base_8| 400) |v_#length_7|) (= |v_#valid_17| (store |v_#valid_18| |v_main_~#b~3.base_8| 1))) InVars {#length=|v_#length_8|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_7|, main_~#b~3.offset=|v_main_~#b~3.offset_7|, main_~#b~3.base=|v_main_~#b~3.base_8|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[main_~#b~3.offset, main_~#b~3.base, #valid, #length] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [301] [301] L21'-->L22''''': Formula: (= v_main_~i~3_8 0) InVars {} OutVars{main_~i~3=v_main_~i~3_8} AuxVars[] AssignedVars[main_~i~3] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [303] [303] L22'''''-->L22: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L22-->L23: Formula: (< v_main_~i~3_10 100) InVars {main_~i~3=v_main_~i~3_10} OutVars{main_~i~3=v_main_~i~3_10} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L23-->fooENTRY: Formula: (and (= |v_foo_#in~b.offsetInParam_1| |v_main_~#b~3.offset_11|) (= |v_foo_#in~nInParam_1| v_main_~i~3_17) (= |v_foo_#in~sizeInParam_1| v_main_~i~3_17) (= |v_foo_#in~b.baseInParam_1| |v_main_~#b~3.base_13|)) InVars {main_~i~3=v_main_~i~3_17, main_~#b~3.offset=|v_main_~#b~3.offset_11|, main_~#b~3.base=|v_main_~#b~3.base_13|} OutVars{foo_#in~size=|v_foo_#in~sizeInParam_1|, foo_#in~n=|v_foo_#in~nInParam_1|, foo_#in~b.base=|v_foo_#in~b.baseInParam_1|, foo_#in~b.offset=|v_foo_#in~b.offsetInParam_1|} AuxVars[] AssignedVars[foo_#in~b.base, foo_#in~b.offset, foo_#in~size, foo_#in~n] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [323] [323] fooENTRY-->L12: Formula: (= v_foo_~n_1 |v_foo_#in~n_1|) InVars {foo_#in~n=|v_foo_#in~n_1|} OutVars{foo_~n=v_foo_~n_1, foo_#in~n=|v_foo_#in~n_1|} AuxVars[] AssignedVars[foo_~n] [2018-01-31 09:39:57,808 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L12-->L12': Formula: (and (= v_foo_~b.offset_1 |v_foo_#in~b.offset_1|) (= v_foo_~b.base_1 |v_foo_#in~b.base_1|)) InVars {foo_#in~b.offset=|v_foo_#in~b.offset_1|, foo_#in~b.base=|v_foo_#in~b.base_1|} OutVars{foo_~b.base=v_foo_~b.base_1, foo_~b.offset=v_foo_~b.offset_1, foo_#in~b.base=|v_foo_#in~b.base_1|, foo_#in~b.offset=|v_foo_#in~b.offset_1|} AuxVars[] AssignedVars[foo_~b.base, foo_~b.offset] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] L12'-->L13: Formula: (= v_foo_~size_1 |v_foo_#in~size_1|) InVars {foo_#in~size=|v_foo_#in~size_1|} OutVars{foo_#in~size=|v_foo_#in~size_1|, foo_~size=v_foo_~size_1} AuxVars[] AssignedVars[foo_~size] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L13-->L13': Formula: true InVars {} OutVars{foo_~a~1=v_foo_~a~1_1} AuxVars[] AssignedVars[foo_~a~1] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L13'-->L14: Formula: true InVars {} OutVars{foo_~i~1=v_foo_~i~1_2} AuxVars[] AssignedVars[foo_~i~1] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [377] [377] L14-->L14'''''': Formula: (= v_foo_~i~1_3 0) InVars {} OutVars{foo_~i~1=v_foo_~i~1_3} AuxVars[] AssignedVars[foo_~i~1] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [381] [381] L14''''''-->L14': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [389] [389] L14'-->L15: Formula: (< v_foo_~i~1_5 (+ v_foo_~size_3 1)) InVars {foo_~i~1=v_foo_~i~1_5, foo_~size=v_foo_~size_3} OutVars{foo_~i~1=v_foo_~i~1_5, foo_~size=v_foo_~size_3} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,809 INFO L84 mationBacktranslator]: Skipped ATE [393] [393] L15-->fooErr0AssertViolation: Formula: (or (not (<= 0 v_foo_~i~1_6)) (not (< v_foo_~i~1_6 v_foo_~n_2))) InVars {foo_~i~1=v_foo_~i~1_6, foo_~n=v_foo_~n_2} OutVars{foo_~i~1=v_foo_~i~1_6, foo_~n=v_foo_~n_2} AuxVars[] AssignedVars[] [2018-01-31 09:39:57,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:39:57 BasicIcfg [2018-01-31 09:39:57,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:39:57,816 INFO L168 Benchmark]: Toolchain (without parser) took 12889.62 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 956.8 MB). Free memory was 268.1 MB in the beginning and 1.2 GB in the end (delta: -916.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. [2018-01-31 09:39:57,817 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 307.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:39:57,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.23 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 258.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:39:57,818 INFO L168 Benchmark]: Boogie Preprocessor took 42.58 ms. Allocated memory is still 307.2 MB. Free memory is still 258.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:39:57,818 INFO L168 Benchmark]: RCFGBuilder took 524.73 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 239.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:39:57,818 INFO L168 Benchmark]: IcfgTransformer took 10768.85 ms. Allocated memory was 307.2 MB in the beginning and 1.0 GB in the end (delta: 697.8 MB). Free memory was 239.2 MB in the beginning and 383.3 MB in the end (delta: -144.1 MB). Peak memory consumption was 553.8 MB. Max. memory is 5.3 GB. [2018-01-31 09:39:57,818 INFO L168 Benchmark]: TraceAbstraction took 1275.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 383.3 MB in the beginning and 1.2 GB in the end (delta: -801.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:39:57,821 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 307.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 267.23 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 258.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.58 ms. Allocated memory is still 307.2 MB. Free memory is still 258.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 524.73 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 239.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 10768.85 ms. Allocated memory was 307.2 MB in the beginning and 1.0 GB in the end (delta: 697.8 MB). Free memory was 239.2 MB in the beginning and 383.3 MB in the end (delta: -144.1 MB). Peak memory consumption was 553.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1275.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 383.3 MB in the beginning and 1.2 GB in the end (delta: -801.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 57 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 775 LocStat_NO_SUPPORTING_DISEQUALITIES : 812 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 79 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 115 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 80 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.681563 RENAME_VARIABLES(MILLISECONDS) : 0.338162 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.648801 PROJECTAWAY(MILLISECONDS) : 1.500742 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.087152 DISJOIN(MILLISECONDS) : 0.534159 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.369649 ADD_EQUALITY(MILLISECONDS) : 0.028120 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.027141 #CONJOIN_DISJUNCTIVE : 637 #RENAME_VARIABLES : 1423 #UNFREEZE : 0 #CONJOIN : 930 #PROJECTAWAY : 842 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 184 #RENAME_VARIABLES_DISJUNCTIVE : 1405 #ADD_EQUALITY : 116 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 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 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 8 error locations. UNSAFE Result, 1.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 170 SDtfs, 61 SDslu, 58 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-39-57-832.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-39-57-832.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-39-57-832.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-39-57-832.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-39-57-832.csv Received shutdown request...