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/rec_strlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 23:36:21,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 23:36:21,376 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 23:36:21,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 23:36:21,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 23:36:21,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 23:36:21,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 23:36:21,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 23:36:21,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 23:36:21,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 23:36:21,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 23:36:21,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 23:36:21,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 23:36:21,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 23:36:21,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 23:36:21,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 23:36:21,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 23:36:21,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 23:36:21,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 23:36:21,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 23:36:21,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 23:36:21,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 23:36:21,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 23:36:21,411 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 23:36:21,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 23:36:21,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 23:36:21,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 23:36:21,414 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 23:36:21,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 23:36:21,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 23:36:21,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 23:36:21,416 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 [2018-01-28 23:36:21,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 23:36:21,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 23:36:21,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 23:36:21,426 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 23:36:21,427 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 23:36:21,427 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 23:36:21,427 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 23:36:21,428 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 23:36:21,428 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 23:36:21,428 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 23:36:21,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 23:36:21,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 23:36:21,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 23:36:21,429 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 23:36:21,429 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 23:36:21,429 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 23:36:21,429 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 23:36:21,430 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 23:36:21,430 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 23:36:21,430 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 23:36:21,430 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 23:36:21,430 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 23:36:21,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 23:36:21,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 23:36:21,431 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 23:36:21,431 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 23:36:21,432 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 23:36:21,433 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 23:36:21,434 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 23:36:21,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 23:36:21,481 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 23:36:21,485 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 23:36:21,487 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 23:36:21,487 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 23:36:21,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/rec_strlen-alloca_true-valid-memsafety_true-termination.i [2018-01-28 23:36:21,645 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 23:36:21,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-28 23:36:21,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 23:36:21,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 23:36:21,658 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 23:36:21,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c42bca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21, skipping insertion in model container [2018-01-28 23:36:21,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,675 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 23:36:21,712 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 23:36:21,817 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 23:36:21,832 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 23:36:21,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21 WrapperNode [2018-01-28 23:36:21,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 23:36:21,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 23:36:21,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 23:36:21,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 23:36:21,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (1/1) ... [2018-01-28 23:36:21,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 23:36:21,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 23:36:21,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 23:36:21,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 23:36:21,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (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 [2018-01-28 23:36:21,925 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 23:36:21,925 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 23:36:21,925 INFO L136 BoogieDeclarations]: Found implementation of procedure strlen_rec [2018-01-28 23:36:21,925 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 23:36:21,925 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 23:36:21,925 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 23:36:21,925 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 23:36:21,925 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure strlen_rec [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 23:36:21,926 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 23:36:22,071 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 23:36:22,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:36:22 BoogieIcfgContainer [2018-01-28 23:36:22,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 23:36:22,073 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-28 23:36:22,073 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-28 23:36:22,074 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-28 23:36:22,078 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:36:22" (1/1) ... [2018-01-28 23:36:22,087 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-28 23:36:22,088 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-28 23:36:22,088 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-28 23:36:22,143 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-28 23:36:22,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-28 23:36:26,894 INFO L311 AbstractInterpreter]: Visited 46 different actions 201 times. Merged at 15 different actions 40 times. Never widened. Found 16 fixpoints after 3 different actions. Largest state had 24 variables. [2018-01-28 23:36:26,897 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-28 23:36:26,910 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 2 [2018-01-28 23:36:26,910 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-28 23:36:26,911 INFO L239 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-28 23:36:26,911 INFO L241 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_int_4| v_main_~nondetString1~3.base_2), at (SUMMARY for call write~int(0, ~nondetString1~3.base, ~nondetString1~3.offset + (~length1~3 - 1) * 1, 1); srcloc: L552)) ((select (select |v_#memory_int_5| v_strlen_rec_~p.base_3) v_strlen_rec_~p.offset_3), at (SUMMARY for call #t~mem0 := read~int(~p.base, ~p.offset, 1); srcloc: L541)) [2018-01-28 23:36:26,917 INFO L544 PartitionManager]: partitioning result: [2018-01-28 23:36:26,918 INFO L549 PartitionManager]: location blocks for array group [#memory_int] [2018-01-28 23:36:26,918 INFO L558 PartitionManager]: at dimension 0 [2018-01-28 23:36:26,918 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-28 23:36:26,918 INFO L560 PartitionManager]: # location blocks :1 [2018-01-28 23:36:26,919 INFO L558 PartitionManager]: at dimension 1 [2018-01-28 23:36:26,919 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-28 23:36:26,919 INFO L560 PartitionManager]: # location blocks :1 [2018-01-28 23:36:26,920 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-28 23:36:26,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.01 11:36:26 BasicIcfg [2018-01-28 23:36:26,934 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-28 23:36:26,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 23:36:26,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 23:36:26,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 23:36:26,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 11:36:21" (1/4) ... [2018-01-28 23:36:26,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fa4928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:36:26, skipping insertion in model container [2018-01-28 23:36:26,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:36:21" (2/4) ... [2018-01-28 23:36:26,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fa4928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:36:26, skipping insertion in model container [2018-01-28 23:36:26,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:36:22" (3/4) ... [2018-01-28 23:36:26,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fa4928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:36:26, skipping insertion in model container [2018-01-28 23:36:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.01 11:36:26" (4/4) ... [2018-01-28 23:36:26,942 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-28 23:36:26,951 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 23:36:27,031 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-28 23:36:27,072 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 23:36:27,072 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 23:36:27,073 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 23:36:27,073 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 23:36:27,073 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 23:36:27,073 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 23:36:27,074 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 23:36:27,074 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 23:36:27,075 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 23:36:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-01-28 23:36:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 23:36:27,092 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:27,093 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:27,093 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:27,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1298997398, now seen corresponding path program 1 times [2018-01-28 23:36:27,097 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:27,097 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:27,138 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,138 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:27,138 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:36:27,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:36:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:36:27,274 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:36:27,275 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 23:36:27,276 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 23:36:27,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 23:36:27,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-28 23:36:27,285 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-01-28 23:36:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:36:27,353 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2018-01-28 23:36:27,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-28 23:36:27,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-28 23:36:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:36:27,366 INFO L225 Difference]: With dead ends: 40 [2018-01-28 23:36:27,367 INFO L226 Difference]: Without dead ends: 36 [2018-01-28 23:36:27,370 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 23:36:27,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-01-28 23:36:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-01-28 23:36:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-28 23:36:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2018-01-28 23:36:27,407 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 9 [2018-01-28 23:36:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:36:27,408 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2018-01-28 23:36:27,408 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 23:36:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2018-01-28 23:36:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 23:36:27,408 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:27,408 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:27,409 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:27,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1298997396, now seen corresponding path program 1 times [2018-01-28 23:36:27,409 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:27,409 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:27,410 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,410 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:27,410 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:36:27,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:36:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:36:27,480 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:36:27,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 23:36:27,481 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 23:36:27,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 23:36:27,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 23:36:27,481 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 5 states. [2018-01-28 23:36:27,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:36:27,573 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2018-01-28 23:36:27,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 23:36:27,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-01-28 23:36:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:36:27,574 INFO L225 Difference]: With dead ends: 36 [2018-01-28 23:36:27,574 INFO L226 Difference]: Without dead ends: 35 [2018-01-28 23:36:27,575 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-28 23:36:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-28 23:36:27,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-28 23:36:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-28 23:36:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-01-28 23:36:27,579 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 9 [2018-01-28 23:36:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:36:27,580 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2018-01-28 23:36:27,580 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 23:36:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2018-01-28 23:36:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-28 23:36:27,580 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:27,580 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:27,580 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:27,581 INFO L82 PathProgramCache]: Analyzing trace with hash -775982881, now seen corresponding path program 1 times [2018-01-28 23:36:27,581 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:27,581 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:27,582 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,582 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:27,582 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:36:27,592 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:36:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:36:27,612 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:36:27,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 23:36:27,613 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 23:36:27,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 23:36:27,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 23:36:27,613 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 5 states. [2018-01-28 23:36:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:36:27,690 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-01-28 23:36:27,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 23:36:27,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-28 23:36:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:36:27,691 INFO L225 Difference]: With dead ends: 35 [2018-01-28 23:36:27,691 INFO L226 Difference]: Without dead ends: 34 [2018-01-28 23:36:27,692 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-28 23:36:27,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-28 23:36:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-01-28 23:36:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-01-28 23:36:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2018-01-28 23:36:27,695 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 12 [2018-01-28 23:36:27,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:36:27,695 INFO L432 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2018-01-28 23:36:27,695 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 23:36:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-01-28 23:36:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-28 23:36:27,696 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:27,696 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:27,696 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:27,696 INFO L82 PathProgramCache]: Analyzing trace with hash -775982879, now seen corresponding path program 1 times [2018-01-28 23:36:27,696 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:27,696 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:27,697 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,697 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:27,697 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:36:27,704 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:36:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:36:27,858 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:36:27,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 23:36:27,858 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 23:36:27,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 23:36:27,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-28 23:36:27,859 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 8 states. [2018-01-28 23:36:27,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:36:27,977 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-01-28 23:36:27,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-28 23:36:27,978 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2018-01-28 23:36:27,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:36:27,979 INFO L225 Difference]: With dead ends: 47 [2018-01-28 23:36:27,979 INFO L226 Difference]: Without dead ends: 46 [2018-01-28 23:36:27,979 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-01-28 23:36:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-01-28 23:36:27,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-01-28 23:36:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-01-28 23:36:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2018-01-28 23:36:27,985 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 12 [2018-01-28 23:36:27,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:36:27,986 INFO L432 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2018-01-28 23:36:27,986 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 23:36:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-01-28 23:36:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-28 23:36:27,986 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:27,986 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:27,987 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:27,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1851007780, now seen corresponding path program 1 times [2018-01-28 23:36:27,987 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:27,987 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:27,988 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,988 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:27,988 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:36:27,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:36:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:36:28,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:36:28,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 23:36:28,036 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 23:36:28,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 23:36:28,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-28 23:36:28,036 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand 4 states. [2018-01-28 23:36:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:36:28,150 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2018-01-28 23:36:28,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 23:36:28,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-28 23:36:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:36:28,151 INFO L225 Difference]: With dead ends: 46 [2018-01-28 23:36:28,151 INFO L226 Difference]: Without dead ends: 26 [2018-01-28 23:36:28,152 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 23:36:28,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-01-28 23:36:28,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2018-01-28 23:36:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-28 23:36:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2018-01-28 23:36:28,157 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 15 [2018-01-28 23:36:28,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:36:28,158 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2018-01-28 23:36:28,158 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 23:36:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-01-28 23:36:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-28 23:36:28,159 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:36:28,159 INFO L330 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:36:28,159 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, strlen_recErr1RequiresViolation, strlen_recErr0RequiresViolation]=== [2018-01-28 23:36:28,159 INFO L82 PathProgramCache]: Analyzing trace with hash 324729352, now seen corresponding path program 1 times [2018-01-28 23:36:28,160 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:36:28,160 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:36:28,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:28,161 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:36:28,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:36:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 23:36:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 23:36:28,209 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-28 23:36:28,212 INFO L84 mationBacktranslator]: Skipped ATE [185] [185] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-28 23:36:28,212 INFO L84 mationBacktranslator]: Skipped ATE [191] [191] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-28 23:36:28,212 INFO L84 mationBacktranslator]: Skipped ATE [197] [197] mainENTRY-->L547: Formula: (and (<= |v_main_#t~nondet2_1| 2147483647) (<= 0 (+ |v_main_#t~nondet2_1| 2147483648))) InVars {main_#t~nondet2=|v_main_#t~nondet2_1|} OutVars{main_#t~nondet2=|v_main_#t~nondet2_1|} AuxVars[] AssignedVars[] [2018-01-28 23:36:28,212 INFO L84 mationBacktranslator]: Skipped ATE [201] [201] L547-->L547': Formula: (= v_main_~length1~3_1 |v_main_#t~nondet2_2|) InVars {main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~length1~3=v_main_~length1~3_1, main_#t~nondet2=|v_main_#t~nondet2_2|} AuxVars[] AssignedVars[main_~length1~3] [2018-01-28 23:36:28,212 INFO L84 mationBacktranslator]: Skipped ATE [205] [205] L547'-->L548: Formula: true InVars {} OutVars{main_#t~nondet2=|v_main_#t~nondet2_3|} AuxVars[] AssignedVars[main_#t~nondet2] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [209] [209] L548-->L548'': Formula: (not (< v_main_~length1~3_4 1)) InVars {main_~length1~3=v_main_~length1~3_4} OutVars{main_~length1~3=v_main_~length1~3_4} AuxVars[] AssignedVars[] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [213] [213] L548''-->L551: Formula: (and (= |v_main_#t~malloc3.offset_1| 0) (= (select |v_#valid_8| |v_main_#t~malloc3.base_1|) 0) (= |v_#length_3| (store |v_#length_4| |v_main_#t~malloc3.base_1| v_main_~length1~3_5)) (not (= 0 |v_main_#t~malloc3.base_1|)) (= |v_#valid_7| (store |v_#valid_8| |v_main_#t~malloc3.base_1| 1))) InVars {#length=|v_#length_4|, main_~length1~3=v_main_~length1~3_5, #valid=|v_#valid_8|} OutVars{main_#t~malloc3.base=|v_main_#t~malloc3.base_1|, #length=|v_#length_3|, main_~length1~3=v_main_~length1~3_5, main_#t~malloc3.offset=|v_main_#t~malloc3.offset_1|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[main_#t~malloc3.base, main_#t~malloc3.offset, #valid, #length] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [215] [215] L551-->L552: Formula: (and (= v_main_~nondetString1~3.offset_1 |v_main_#t~malloc3.offset_2|) (= v_main_~nondetString1~3.base_1 |v_main_#t~malloc3.base_2|)) InVars {main_#t~malloc3.base=|v_main_#t~malloc3.base_2|, main_#t~malloc3.offset=|v_main_#t~malloc3.offset_2|} OutVars{main_#t~malloc3.base=|v_main_#t~malloc3.base_2|, main_~nondetString1~3.offset=v_main_~nondetString1~3.offset_1, main_~nondetString1~3.base=v_main_~nondetString1~3.base_1, main_#t~malloc3.offset=|v_main_#t~malloc3.offset_2|} AuxVars[] AssignedVars[main_~nondetString1~3.offset, main_~nondetString1~3.base] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [217] [217] L552-->L552': Formula: (let ((.cse0 (+ v_main_~length1~3_6 v_main_~nondetString1~3.offset_2))) (and (<= .cse0 (select |v_#length_5| v_main_~nondetString1~3.base_2)) (<= 1 .cse0) (= |v_#memory_int_part_locs_0_locs_0_1| |v_#memory_int_part_locs_0_locs_0_2|) (= (select |v_#valid_9| v_main_~nondetString1~3.base_2) 1))) InVars {#memory_int_part_locs_0_locs_0=|v_#memory_int_part_locs_0_locs_0_2|, main_~length1~3=v_main_~length1~3_6, main_~nondetString1~3.offset=v_main_~nondetString1~3.offset_2, main_~nondetString1~3.base=v_main_~nondetString1~3.base_2, #valid=|v_#valid_9|, #length=|v_#length_5|} OutVars{#memory_int_part_locs_0_locs_0=|v_#memory_int_part_locs_0_locs_0_1|, main_~length1~3=v_main_~length1~3_6, main_~nondetString1~3.offset=v_main_~nondetString1~3.offset_2, main_~nondetString1~3.base=v_main_~nondetString1~3.base_2, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_3|, #length=|v_#length_5|} AuxVars[] AssignedVars[#memory_int_part_locs_0_locs_0, #memory_int] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [225] [225] L552'-->strlen_recENTRY: Formula: (and (= |v_strlen_rec_#in~p.offsetInParam_1| v_main_~nondetString1~3.offset_5) (= |v_strlen_rec_#in~p.baseInParam_1| v_main_~nondetString1~3.base_6)) InVars {main_~nondetString1~3.offset=v_main_~nondetString1~3.offset_5, main_~nondetString1~3.base=v_main_~nondetString1~3.base_6} OutVars{strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offsetInParam_1|, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.baseInParam_1|} AuxVars[] AssignedVars[strlen_rec_#in~p.offset, strlen_rec_#in~p.base] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [229] [229] strlen_recENTRY-->L541: Formula: (and (= v_strlen_rec_~p.base_2 |v_strlen_rec_#in~p.base_1|) (= v_strlen_rec_~p.offset_2 |v_strlen_rec_#in~p.offset_1|)) InVars {strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offset_1|, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.base_1|} OutVars{strlen_rec_~p.base=v_strlen_rec_~p.base_2, strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offset_1|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_2, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.base_1|} AuxVars[] AssignedVars[strlen_rec_~p.offset, strlen_rec_~p.base] [2018-01-28 23:36:28,213 INFO L84 mationBacktranslator]: Skipped ATE [233] [233] L541-->L541': Formula: (and (= 1 (select |v_#valid_15| v_strlen_rec_~p.base_3)) (= |v_strlen_rec_#t~mem0_5| (select (select |v_#memory_int_part_locs_0_locs_0_3| v_strlen_rec_~p.base_3) v_strlen_rec_~p.offset_3)) (<= 0 v_strlen_rec_~p.offset_3) (<= (+ v_strlen_rec_~p.offset_3 1) (select |v_#length_7| v_strlen_rec_~p.base_3))) InVars {#memory_int_part_locs_0_locs_0=|v_#memory_int_part_locs_0_locs_0_3|, strlen_rec_~p.base=v_strlen_rec_~p.base_3, #length=|v_#length_7|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_3, #valid=|v_#valid_15|} OutVars{#memory_int_part_locs_0_locs_0=|v_#memory_int_part_locs_0_locs_0_3|, strlen_rec_#t~mem0=|v_strlen_rec_#t~mem0_5|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_3, #valid=|v_#valid_15|, strlen_rec_~p.base=v_strlen_rec_~p.base_3, #length=|v_#length_7|} AuxVars[] AssignedVars[strlen_rec_#t~mem0] [2018-01-28 23:36:28,214 INFO L84 mationBacktranslator]: Skipped ATE [243] [243] L541'-->L541''': Formula: (not (= |v_strlen_rec_#t~mem0_3| 0)) InVars {strlen_rec_#t~mem0=|v_strlen_rec_#t~mem0_3|} OutVars{strlen_rec_#t~mem0=|v_strlen_rec_#t~mem0_3|} AuxVars[] AssignedVars[] [2018-01-28 23:36:28,214 INFO L84 mationBacktranslator]: Skipped ATE [249] [249] L541'''-->L544: Formula: true InVars {} OutVars{strlen_rec_#t~mem0=|v_strlen_rec_#t~mem0_4|} AuxVars[] AssignedVars[strlen_rec_#t~mem0] [2018-01-28 23:36:28,214 INFO L84 mationBacktranslator]: Skipped ATE [259] [259] L544-->strlen_recENTRY: Formula: (and (= |v_strlen_rec_#in~p.baseInParam_2| v_strlen_rec_~p.base_6) (= |v_strlen_rec_#in~p.offsetInParam_2| (+ v_strlen_rec_~p.offset_5 1))) InVars {strlen_rec_~p.offset=v_strlen_rec_~p.offset_5, strlen_rec_~p.base=v_strlen_rec_~p.base_6} OutVars{strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offsetInParam_2|, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.baseInParam_2|} AuxVars[] AssignedVars[strlen_rec_#in~p.offset, strlen_rec_#in~p.base] [2018-01-28 23:36:28,214 INFO L84 mationBacktranslator]: Skipped ATE [229] [229] strlen_recENTRY-->L541: Formula: (and (= v_strlen_rec_~p.base_2 |v_strlen_rec_#in~p.base_1|) (= v_strlen_rec_~p.offset_2 |v_strlen_rec_#in~p.offset_1|)) InVars {strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offset_1|, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.base_1|} OutVars{strlen_rec_~p.base=v_strlen_rec_~p.base_2, strlen_rec_#in~p.offset=|v_strlen_rec_#in~p.offset_1|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_2, strlen_rec_#in~p.base=|v_strlen_rec_#in~p.base_1|} AuxVars[] AssignedVars[strlen_rec_~p.offset, strlen_rec_~p.base] [2018-01-28 23:36:28,214 INFO L84 mationBacktranslator]: Skipped ATE [237] [237] L541-->strlen_recErr1RequiresViolation: Formula: (or (not (<= 0 v_strlen_rec_~p.offset_4)) (not (<= (+ v_strlen_rec_~p.offset_4 1) (select |v_#length_8| v_strlen_rec_~p.base_5)))) InVars {strlen_rec_~p.base=v_strlen_rec_~p.base_5, #length=|v_#length_8|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_4} OutVars{strlen_rec_~p.base=v_strlen_rec_~p.base_5, #length=|v_#length_8|, strlen_rec_~p.offset=v_strlen_rec_~p.offset_4} AuxVars[] AssignedVars[] [2018-01-28 23:36:28,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:36:28 BasicIcfg [2018-01-28 23:36:28,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 23:36:28,219 INFO L168 Benchmark]: Toolchain (without parser) took 6574.14 ms. Allocated memory was 308.3 MB in the beginning and 771.2 MB in the end (delta: 462.9 MB). Free memory was 268.2 MB in the beginning and 652.2 MB in the end (delta: -384.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 5.3 GB. [2018-01-28 23:36:28,220 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 308.3 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 23:36:28,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.44 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 257.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-28 23:36:28,220 INFO L168 Benchmark]: Boogie Preprocessor took 32.26 ms. Allocated memory is still 308.3 MB. Free memory was 257.0 MB in the beginning and 256.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-28 23:36:28,221 INFO L168 Benchmark]: RCFGBuilder took 201.40 ms. Allocated memory is still 308.3 MB. Free memory was 256.0 MB in the beginning and 240.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 5.3 GB. [2018-01-28 23:36:28,221 INFO L168 Benchmark]: IcfgTransformer took 4861.43 ms. Allocated memory was 308.3 MB in the beginning and 679.0 MB in the end (delta: 370.7 MB). Free memory was 240.7 MB in the beginning and 363.6 MB in the end (delta: -123.0 MB). Peak memory consumption was 247.7 MB. Max. memory is 5.3 GB. [2018-01-28 23:36:28,221 INFO L168 Benchmark]: TraceAbstraction took 1283.81 ms. Allocated memory was 679.0 MB in the beginning and 771.2 MB in the end (delta: 92.3 MB). Free memory was 363.6 MB in the beginning and 652.2 MB in the end (delta: -288.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 23:36:28,223 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 308.3 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 185.44 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 257.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.26 ms. Allocated memory is still 308.3 MB. Free memory was 257.0 MB in the beginning and 256.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 201.40 ms. Allocated memory is still 308.3 MB. Free memory was 256.0 MB in the beginning and 240.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 5.3 GB. * IcfgTransformer took 4861.43 ms. Allocated memory was 308.3 MB in the beginning and 679.0 MB in the end (delta: 370.7 MB). Free memory was 240.7 MB in the beginning and 363.6 MB in the end (delta: -123.0 MB). Peak memory consumption was 247.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1283.81 ms. Allocated memory was 679.0 MB in the beginning and 771.2 MB in the end (delta: 92.3 MB). Free memory was 363.6 MB in the beginning and 652.2 MB in the end (delta: -288.6 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 : 37 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 326 LocStat_NO_SUPPORTING_DISEQUALITIES : 87 LocStat_NO_DISJUNCTIONS : -74 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 56 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 65 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 58 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.457834 RENAME_VARIABLES(MILLISECONDS) : 0.015463 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.835655 PROJECTAWAY(MILLISECONDS) : 0.580042 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.068435 DISJOIN(MILLISECONDS) : 0.239123 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.031112 ADD_EQUALITY(MILLISECONDS) : 0.012456 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016735 #CONJOIN_DISJUNCTIVE : 264 #RENAME_VARIABLES : 623 #UNFREEZE : 0 #CONJOIN : 455 #PROJECTAWAY : 438 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 127 #RENAME_VARIABLES_DISJUNCTIVE : 612 #ADD_EQUALITY : 66 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics 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] : 2 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 5 error locations. UNSAFE Result, 1.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 173 SDtfs, 122 SDslu, 256 SDs, 0 SdLazy, 149 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=4, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 2518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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/rec_strlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-28_23-36-28-233.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec_strlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-28_23-36-28-233.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec_strlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-28_23-36-28-233.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec_strlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-28_23-36-28-233.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rec_strlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_23-36-28-233.csv Received shutdown request...