java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 22:46:57,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 22:46:57,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 22:46:57,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 22:46:57,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 22:46:57,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 22:46:57,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 22:46:57,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 22:46:57,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 22:46:57,503 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 22:46:57,504 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 22:46:57,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 22:46:57,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 22:46:57,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 22:46:57,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 22:46:57,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 22:46:57,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 22:46:57,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 22:46:57,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 22:46:57,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 22:46:57,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 22:46:57,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 22:46:57,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 22:46:57,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 22:46:57,520 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 22:46:57,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 22:46:57,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 22:46:57,523 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 22:46:57,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 22:46:57,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 22:46:57,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 22:46:57,524 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 [2018-01-29 22:46:57,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 22:46:57,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 22:46:57,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 22:46:57,535 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 22:46:57,535 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 22:46:57,535 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 22:46:57,536 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 22:46:57,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 22:46:57,536 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 22:46:57,537 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 22:46:57,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 22:46:57,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 22:46:57,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 22:46:57,537 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 22:46:57,538 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 22:46:57,538 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 22:46:57,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 22:46:57,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 22:46:57,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 22:46:57,539 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 22:46:57,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 22:46:57,539 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 22:46:57,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 22:46:57,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:46:57,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 22:46:57,540 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 22:46:57,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 22:46:57,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 22:46:57,540 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 22:46:57,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 22:46:57,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 22:46:57,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 22:46:57,542 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 22:46:57,542 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 22:46:57,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 22:46:57,589 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 22:46:57,593 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 22:46:57,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 22:46:57,595 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 22:46:57,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:46:57,732 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 22:46:57,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 22:46:57,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 22:46:57,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 22:46:57,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 22:46:57,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3909789b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57, skipping insertion in model container [2018-01-29 22:46:57,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,758 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:46:57,792 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:46:57,905 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:46:57,921 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:46:57,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57 WrapperNode [2018-01-29 22:46:57,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 22:46:57,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 22:46:57,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 22:46:57,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 22:46:57,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (1/1) ... [2018-01-29 22:46:57,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 22:46:57,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 22:46:57,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 22:46:57,959 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 22:46:57,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (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 [2018-01-29 22:46:58,011 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 22:46:58,011 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 22:46:58,011 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-01-29 22:46:58,011 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 22:46:58,012 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-01-29 22:46:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 22:46:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 22:46:58,013 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 22:46:58,211 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 22:46:58,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:46:58 BoogieIcfgContainer [2018-01-29 22:46:58,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 22:46:58,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 22:46:58,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 22:46:58,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 22:46:58,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:46:57" (1/3) ... [2018-01-29 22:46:58,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121bb7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:46:58, skipping insertion in model container [2018-01-29 22:46:58,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:46:57" (2/3) ... [2018-01-29 22:46:58,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121bb7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:46:58, skipping insertion in model container [2018-01-29 22:46:58,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:46:58" (3/3) ... [2018-01-29 22:46:58,218 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:46:58,225 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 22:46:58,231 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-29 22:46:58,265 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 22:46:58,265 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 22:46:58,265 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 22:46:58,266 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 22:46:58,266 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 22:46:58,266 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 22:46:58,266 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 22:46:58,266 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 22:46:58,267 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 22:46:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-29 22:46:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-29 22:46:58,291 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:46:58,292 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:46:58,292 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:46:58,296 INFO L82 PathProgramCache]: Analyzing trace with hash 435662200, now seen corresponding path program 1 times [2018-01-29 22:46:58,298 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:46:58,299 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:46:58,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,344 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:58,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:58,391 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:46:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:46:58,488 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:46:58,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:46:58,490 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:46:58,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:46:58,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:46:58,507 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-01-29 22:46:58,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:46:58,659 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-01-29 22:46:58,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 22:46:58,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-01-29 22:46:58,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:46:58,669 INFO L225 Difference]: With dead ends: 54 [2018-01-29 22:46:58,669 INFO L226 Difference]: Without dead ends: 38 [2018-01-29 22:46:58,672 INFO L553 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 [2018-01-29 22:46:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-01-29 22:46:58,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-01-29 22:46:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-29 22:46:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-01-29 22:46:58,702 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 13 [2018-01-29 22:46:58,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:46:58,703 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-01-29 22:46:58,703 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:46:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-01-29 22:46:58,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-29 22:46:58,703 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:46:58,704 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:46:58,704 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:46:58,704 INFO L82 PathProgramCache]: Analyzing trace with hash 435662201, now seen corresponding path program 1 times [2018-01-29 22:46:58,704 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:46:58,704 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:46:58,705 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,705 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:58,705 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:58,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:46:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:46:58,848 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:46:58,848 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-29 22:46:58,850 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-29 22:46:58,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-29 22:46:58,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:46:58,852 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 5 states. [2018-01-29 22:46:58,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:46:58,915 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-01-29 22:46:58,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:46:58,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-01-29 22:46:58,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:46:58,917 INFO L225 Difference]: With dead ends: 38 [2018-01-29 22:46:58,917 INFO L226 Difference]: Without dead ends: 37 [2018-01-29 22:46:58,917 INFO L553 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 [2018-01-29 22:46:58,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-29 22:46:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-29 22:46:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-29 22:46:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-01-29 22:46:58,922 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13 [2018-01-29 22:46:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:46:58,922 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-01-29 22:46:58,922 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-29 22:46:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-01-29 22:46:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-29 22:46:58,923 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:46:58,923 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:46:58,923 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:46:58,923 INFO L82 PathProgramCache]: Analyzing trace with hash 351057955, now seen corresponding path program 1 times [2018-01-29 22:46:58,923 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:46:58,923 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:46:58,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,924 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:58,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:58,936 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:46:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:46:59,010 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:46:59,011 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-29 22:46:59,011 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-29 22:46:59,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-29 22:46:59,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-29 22:46:59,012 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-01-29 22:46:59,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:46:59,134 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-01-29 22:46:59,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:46:59,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-29 22:46:59,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:46:59,135 INFO L225 Difference]: With dead ends: 37 [2018-01-29 22:46:59,135 INFO L226 Difference]: Without dead ends: 36 [2018-01-29 22:46:59,136 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:46:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-01-29 22:46:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-01-29 22:46:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-29 22:46:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-01-29 22:46:59,141 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 19 [2018-01-29 22:46:59,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:46:59,141 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-01-29 22:46:59,142 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-29 22:46:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-01-29 22:46:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-29 22:46:59,142 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:46:59,143 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:46:59,143 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:46:59,143 INFO L82 PathProgramCache]: Analyzing trace with hash 351057956, now seen corresponding path program 1 times [2018-01-29 22:46:59,143 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:46:59,143 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:46:59,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:59,144 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:59,145 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:59,159 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:46:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:46:59,315 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:46:59,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-29 22:46:59,316 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-29 22:46:59,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-29 22:46:59,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-29 22:46:59,316 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 9 states. [2018-01-29 22:46:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:46:59,446 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-01-29 22:46:59,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-29 22:46:59,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-01-29 22:46:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:46:59,450 INFO L225 Difference]: With dead ends: 47 [2018-01-29 22:46:59,450 INFO L226 Difference]: Without dead ends: 46 [2018-01-29 22:46:59,451 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-01-29 22:46:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-01-29 22:46:59,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2018-01-29 22:46:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-29 22:46:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-01-29 22:46:59,458 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 19 [2018-01-29 22:46:59,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:46:59,459 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-01-29 22:46:59,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-29 22:46:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-01-29 22:46:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 22:46:59,460 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:46:59,460 INFO L350 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:46:59,460 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:46:59,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1200275766, now seen corresponding path program 1 times [2018-01-29 22:46:59,460 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:46:59,461 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:46:59,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:59,461 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:59,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:46:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:59,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:46:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:46:59,925 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:46:59,925 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:46:59,936 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:46:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:46:59,963 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:47:00,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-01-29 22:47:00,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-01-29 22:47:00,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-29 22:47:00,016 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:47:00,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-29 22:47:00,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-01-29 22:47:00,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-01-29 22:47:00,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-01-29 22:47:00,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-29 22:47:00,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:47:00,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:47:00,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-01-29 22:47:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:47:00,339 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:47:00,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2018-01-29 22:47:00,340 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-29 22:47:00,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-29 22:47:00,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-01-29 22:47:00,340 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 18 states. [2018-01-29 22:47:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:47:02,162 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-01-29 22:47:02,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-29 22:47:02,163 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2018-01-29 22:47:02,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:47:02,163 INFO L225 Difference]: With dead ends: 58 [2018-01-29 22:47:02,164 INFO L226 Difference]: Without dead ends: 57 [2018-01-29 22:47:02,164 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2018-01-29 22:47:02,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-29 22:47:02,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2018-01-29 22:47:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-29 22:47:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-01-29 22:47:02,170 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2018-01-29 22:47:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:47:02,171 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-01-29 22:47:02,171 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-29 22:47:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-01-29 22:47:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-29 22:47:02,172 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:47:02,172 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:47:02,172 INFO L371 AbstractCegarLoop]: === Iteration 6 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:47:02,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1095591364, now seen corresponding path program 1 times [2018-01-29 22:47:02,172 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:47:02,172 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:47:02,173 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:47:02,173 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:47:02,173 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:47:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:47:02,198 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:47:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:47:02,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:47:02,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:47:02,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:47:02,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:47:02,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:47:02,261 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 4 states. [2018-01-29 22:47:02,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:47:02,323 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-01-29 22:47:02,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 22:47:02,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-01-29 22:47:02,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:47:02,324 INFO L225 Difference]: With dead ends: 45 [2018-01-29 22:47:02,324 INFO L226 Difference]: Without dead ends: 35 [2018-01-29 22:47:02,324 INFO L553 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 [2018-01-29 22:47:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-29 22:47:02,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-29 22:47:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-29 22:47:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-01-29 22:47:02,329 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 29 [2018-01-29 22:47:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:47:02,329 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-01-29 22:47:02,330 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:47:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-01-29 22:47:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-29 22:47:02,330 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:47:02,331 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:47:02,331 INFO L371 AbstractCegarLoop]: === Iteration 7 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:47:02,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1080705052, now seen corresponding path program 2 times [2018-01-29 22:47:02,331 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:47:02,331 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:47:02,332 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:47:02,332 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:47:02,332 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:47:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:47:02,345 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:47:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:47:02,606 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:47:02,606 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:47:02,612 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-29 22:47:02,623 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:47:02,627 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:47:02,628 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-29 22:47:02,631 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:47:02,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-29 22:47:02,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-29 22:47:02,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:47:02,637 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-29 22:47:02,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-29 22:47:02,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-01-29 22:47:02,665 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-29 22:47:02,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:47:02,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:47:02,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-01-29 22:47:02,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-01-29 22:47:02,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-01-29 22:47:02,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-29 22:47:02,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:47:02,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:47:02,827 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-01-29 22:47:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:47:02,895 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:47:02,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-01-29 22:47:02,896 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-01-29 22:47:02,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-01-29 22:47:02,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-01-29 22:47:02,897 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 20 states. [2018-01-29 22:47:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:47:03,542 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-01-29 22:47:03,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-29 22:47:03,542 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 33 [2018-01-29 22:47:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:47:03,543 INFO L225 Difference]: With dead ends: 39 [2018-01-29 22:47:03,543 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 22:47:03,544 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2018-01-29 22:47:03,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 22:47:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 22:47:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 22:47:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 22:47:03,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-29 22:47:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:47:03,545 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 22:47:03,545 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-01-29 22:47:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 22:47:03,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 22:47:03,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 22:47:07,818 WARN L146 SmtUtils]: Spent 4199ms on a formula simplification. DAG size of input: 104 DAG size of output 76 [2018-01-29 22:47:07,852 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 556) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L395 ceAbstractionStarter]: At program point L544'''''''''(lines 544 545) the Hoare annotation is: (or (not (= 0 |cstrlen_#in~str.offset|)) (not (= (select |#valid| |cstrlen_#in~str.base|) 1)) (and (= 1 (select |#valid| cstrlen_~str.base)) (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= 0 (select (select |#memory_int| cstrlen_~str.base) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| cstrlen_~str.base) (- 1)))) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 cstrlen_~str.offset) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0))) (= 1 (select |#valid| cstrlen_~s~2.base)) (exists ((main_~length1~4 Int) (v_main_~nondetString1~4.offset_BEFORE_CALL_1 Int)) (and (<= cstrlen_~str.offset v_main_~nondetString1~4.offset_BEFORE_CALL_1) (= 0 (select (select |#memory_int| cstrlen_~str.base) (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1 (- 1)))) (<= (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1) (select |#length| cstrlen_~str.base)) (<= 1 main_~length1~4))) (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= (select (select |#memory_int| cstrlen_~s~2.base) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| cstrlen_~s~2.base) (- 1))) 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 cstrlen_~s~2.offset))) (exists ((main_~length1~4 Int) (v_main_~nondetString1~4.offset_BEFORE_CALL_1 Int)) (and (<= cstrlen_~s~2.offset v_main_~nondetString1~4.offset_BEFORE_CALL_1) (<= (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1) (select |#length| cstrlen_~s~2.base)) (= (select (select |#memory_int| cstrlen_~s~2.base) (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1 (- 1))) 0) (<= 1 main_~length1~4))) (= 0 cstrlen_~str.offset)) (not (exists ((main_~length1~4 Int) (v_main_~nondetString1~4.offset_BEFORE_CALL_1 Int)) (and (<= |cstrlen_#in~str.offset| v_main_~nondetString1~4.offset_BEFORE_CALL_1) (= 0 (select (select |#memory_int| |cstrlen_#in~str.base|) (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1 (- 1)))) (<= (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1) (select |#length| |cstrlen_#in~str.base|)) (<= 1 main_~length1~4)))) (not (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= (select (select |#memory_int| |cstrlen_#in~str.base|) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| |cstrlen_#in~str.base|) (- 1))) 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 |cstrlen_#in~str.offset|))))) [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-29 22:47:07,853 INFO L399 ceAbstractionStarter]: For program point L544''''''''''(lines 544 545) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L402 ceAbstractionStarter]: At program point cstrlenENTRY(lines 540 547) the Hoare annotation is: true [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point cstrlenErr1RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point cstrlenEXIT(lines 540 547) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point cstrlenErr0RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544''''''(lines 544 545) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point cstrlenFINAL(lines 540 547) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 556) the Hoare annotation is: true [2018-01-29 22:47:07,854 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,854 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 556) the Hoare annotation is: true [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L550(lines 550 552) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 548 556) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 548 556) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-29 22:47:07,855 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 548 556) no Hoare annotation was computed. [2018-01-29 22:47:07,856 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 548 556) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:47:07,856 INFO L399 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-01-29 22:47:07,856 INFO L399 ceAbstractionStarter]: For program point L550''(lines 550 552) no Hoare annotation was computed. [2018-01-29 22:47:07,856 INFO L395 ceAbstractionStarter]: At program point L554'(line 554) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~4.base))) (and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~nondetString1~4.offset 0) (= main_~length1~4 (select |#length| |main_#t~malloc3.base|)) (= .cse0 main_~length1~4) (= 0 |main_#t~malloc3.offset|) (= (select (select |#memory_int| main_~nondetString1~4.base) (+ main_~nondetString1~4.offset .cse0 (- 1))) 0) (= (store |#valid| |main_#t~malloc3.base| (select (store |#valid| |main_#t~malloc3.base| 0) |main_#t~malloc3.base|)) |old(#valid)|) (<= 1 main_~length1~4) (= 1 (select |#valid| main_~nondetString1~4.base)))) [2018-01-29 22:47:07,856 INFO L399 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-01-29 22:47:07,856 INFO L399 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-01-29 22:47:07,862 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,863 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,863 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,864 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,865 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,866 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,867 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,869 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,869 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,869 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,870 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,870 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,870 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,870 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,870 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,871 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,871 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,871 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,871 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,878 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,878 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,879 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,880 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,881 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,882 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,883 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,884 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,884 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,884 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,884 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,884 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,885 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:47:07 BoogieIcfgContainer [2018-01-29 22:47:07,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 22:47:07,888 INFO L168 Benchmark]: Toolchain (without parser) took 10156.07 ms. Allocated memory was 307.8 MB in the beginning and 518.0 MB in the end (delta: 210.2 MB). Free memory was 266.6 MB in the beginning and 358.9 MB in the end (delta: -92.3 MB). Peak memory consumption was 118.0 MB. Max. memory is 5.3 GB. [2018-01-29 22:47:07,889 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 22:47:07,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.58 ms. Allocated memory is still 307.8 MB. Free memory was 266.6 MB in the beginning and 256.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-29 22:47:07,890 INFO L168 Benchmark]: Boogie Preprocessor took 28.70 ms. Allocated memory is still 307.8 MB. Free memory was 256.7 MB in the beginning and 254.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-29 22:47:07,890 INFO L168 Benchmark]: RCFGBuilder took 252.99 ms. Allocated memory is still 307.8 MB. Free memory was 254.7 MB in the beginning and 239.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. [2018-01-29 22:47:07,890 INFO L168 Benchmark]: TraceAbstraction took 9675.21 ms. Allocated memory was 307.8 MB in the beginning and 518.0 MB in the end (delta: 210.2 MB). Free memory was 237.7 MB in the beginning and 358.9 MB in the end (delta: -121.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 5.3 GB. [2018-01-29 22:47:07,891 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 192.58 ms. Allocated memory is still 307.8 MB. Free memory was 266.6 MB in the beginning and 256.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.70 ms. Allocated memory is still 307.8 MB. Free memory was 256.7 MB in the beginning and 254.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 252.99 ms. Allocated memory is still 307.8 MB. Free memory was 254.7 MB in the beginning and 239.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 9675.21 ms. Allocated memory was 307.8 MB in the beginning and 518.0 MB in the end (delta: 210.2 MB). Free memory was 237.7 MB in the beginning and 358.9 MB in the end (delta: -121.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-01-29 22:47:07,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,900 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,901 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,902 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,903 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,904 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,904 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,904 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,904 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,904 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,904 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,905 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,908 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,908 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,908 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,909 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,909 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,909 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,909 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,910 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,911 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:47:07,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,913 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,914 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,914 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,914 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,914 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,914 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:47:07,915 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:47:07,915 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((!(0 == str) || !(\valid[str] == 1)) || ((((((1 == \valid[str] && (\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && 0 == unknown-#memory_int-unknown[str][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[str] + -1]) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= str) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0)) && 1 == \valid[s]) && (\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((str <= v_main_~nondetString1~4.offset_BEFORE_CALL_1 && 0 == unknown-#memory_int-unknown[str][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1]) && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[str]) && 1 <= main_~length1~4)) && (\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && unknown-#memory_int-unknown[s][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[s] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= s)) && (\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((s <= v_main_~nondetString1~4.offset_BEFORE_CALL_1 && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[s]) && unknown-#memory_int-unknown[s][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1] == 0) && 1 <= main_~length1~4)) && 0 == str)) || !(\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((str <= v_main_~nondetString1~4.offset_BEFORE_CALL_1 && 0 == unknown-#memory_int-unknown[str][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1]) && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[str]) && 1 <= main_~length1~4)) || !(\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && unknown-#memory_int-unknown[str][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[str] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= str) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 5 error locations. SAFE Result, 9.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 436 SDslu, 785 SDs, 0 SdLazy, 566 SolverSat, 58 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=5, 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, 7 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 233 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 598 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 202 ConstructedInterpolants, 18 QuantifiedInterpolants, 44886 SizeOfPredicates, 16 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-47-07-921.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-47-07-921.csv Received shutdown request...