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-acfac67 [2018-01-28 21:11:27,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 21:11:27,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 21:11:27,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 21:11:27,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 21:11:27,333 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 21:11:27,334 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 21:11:27,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 21:11:27,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 21:11:27,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 21:11:27,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 21:11:27,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 21:11:27,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 21:11:27,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 21:11:27,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 21:11:27,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 21:11:27,347 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 21:11:27,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 21:11:27,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 21:11:27,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 21:11:27,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 21:11:27,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 21:11:27,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 21:11:27,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 21:11:27,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 21:11:27,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 21:11:27,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 21:11:27,359 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 21:11:27,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 21:11:27,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 21:11:27,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 21:11:27,360 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-28 21:11:27,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 21:11:27,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 21:11:27,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 21:11:27,370 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 21:11:27,370 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 21:11:27,370 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 21:11:27,370 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 21:11:27,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 21:11:27,371 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 21:11:27,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 21:11:27,372 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 21:11:27,373 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 21:11:27,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 21:11:27,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 21:11:27,373 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 21:11:27,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 21:11:27,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 21:11:27,374 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 21:11:27,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 21:11:27,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 21:11:27,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 21:11:27,375 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 21:11:27,375 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 21:11:27,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 21:11:27,417 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 21:11:27,421 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 21:11:27,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 21:11:27,422 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 21:11:27,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-01-28 21:11:27,584 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 21:11:27,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 21:11:27,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 21:11:27,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 21:11:27,594 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 21:11:27,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,597 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 28.01 09:11:27, skipping insertion in model container [2018-01-28 21:11:27,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,610 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 21:11:27,645 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 21:11:27,759 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 21:11:27,776 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 21:11:27,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27 WrapperNode [2018-01-28 21:11:27,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 21:11:27,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 21:11:27,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 21:11:27,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 21:11:27,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... [2018-01-28 21:11:27,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 21:11:27,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 21:11:27,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 21:11:27,815 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 21:11:27,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 21:11:27,874 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 21:11:27,874 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 21:11:27,874 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-01-28 21:11:27,874 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 21:11:27,874 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 21:11:27,874 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-01-28 21:11:27,875 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 21:11:27,876 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 21:11:27,876 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 21:11:28,086 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 21:11:28,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:11:28 BoogieIcfgContainer [2018-01-28 21:11:28,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 21:11:28,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 21:11:28,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 21:11:28,091 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 21:11:28,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 09:11:27" (1/3) ... [2018-01-28 21:11:28,092 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 28.01 09:11:28, skipping insertion in model container [2018-01-28 21:11:28,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:11:27" (2/3) ... [2018-01-28 21:11:28,093 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 28.01 09:11:28, skipping insertion in model container [2018-01-28 21:11:28,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:11:28" (3/3) ... [2018-01-28 21:11:28,095 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-01-28 21:11:28,103 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 21:11:28,111 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-28 21:11:28,150 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 21:11:28,150 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 21:11:28,150 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 21:11:28,150 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 21:11:28,150 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 21:11:28,151 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 21:11:28,151 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 21:11:28,151 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 21:11:28,152 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 21:11:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-01-28 21:11:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-28 21:11:28,177 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:28,178 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 21:11:28,178 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:28,182 INFO L82 PathProgramCache]: Analyzing trace with hash 435662200, now seen corresponding path program 1 times [2018-01-28 21:11:28,184 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:28,185 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:28,230 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,230 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:28,230 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:28,278 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:28,348 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 21:11:28,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 21:11:28,350 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 21:11:28,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 21:11:28,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-28 21:11:28,368 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-01-28 21:11:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:28,525 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-01-28 21:11:28,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-28 21:11:28,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-01-28 21:11:28,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:28,535 INFO L225 Difference]: With dead ends: 54 [2018-01-28 21:11:28,535 INFO L226 Difference]: Without dead ends: 38 [2018-01-28 21:11:28,538 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 21:11:28,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-01-28 21:11:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-01-28 21:11:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-28 21:11:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-01-28 21:11:28,567 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 13 [2018-01-28 21:11:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:28,567 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-01-28 21:11:28,567 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 21:11:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-01-28 21:11:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-28 21:11:28,567 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:28,568 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 21:11:28,568 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:28,568 INFO L82 PathProgramCache]: Analyzing trace with hash 435662201, now seen corresponding path program 1 times [2018-01-28 21:11:28,568 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:28,568 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:28,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,569 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:28,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:28,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:28,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 21:11:28,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 21:11:28,689 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 21:11:28,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 21:11:28,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 21:11:28,690 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 5 states. [2018-01-28 21:11:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:28,756 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-01-28 21:11:28,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 21:11:28,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-01-28 21:11:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:28,758 INFO L225 Difference]: With dead ends: 38 [2018-01-28 21:11:28,758 INFO L226 Difference]: Without dead ends: 37 [2018-01-28 21:11:28,759 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-28 21:11:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-28 21:11:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-28 21:11:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-28 21:11:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-01-28 21:11:28,765 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13 [2018-01-28 21:11:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:28,765 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-01-28 21:11:28,765 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 21:11:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-01-28 21:11:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-28 21:11:28,766 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:28,766 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 21:11:28,766 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash 351057955, now seen corresponding path program 1 times [2018-01-28 21:11:28,767 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:28,767 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:28,768 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,768 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:28,768 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:28,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:28,866 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 21:11:28,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 21:11:28,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 21:11:28,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 21:11:28,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 21:11:28,867 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-01-28 21:11:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:28,982 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-01-28 21:11:28,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 21:11:28,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-28 21:11:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:28,983 INFO L225 Difference]: With dead ends: 37 [2018-01-28 21:11:28,983 INFO L226 Difference]: Without dead ends: 36 [2018-01-28 21:11:28,984 INFO L533 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 [2018-01-28 21:11:28,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-01-28 21:11:28,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-01-28 21:11:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-28 21:11:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-01-28 21:11:28,989 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 19 [2018-01-28 21:11:28,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:28,990 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-01-28 21:11:28,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 21:11:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-01-28 21:11:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-28 21:11:28,991 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:28,991 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 21:11:28,991 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:28,991 INFO L82 PathProgramCache]: Analyzing trace with hash 351057956, now seen corresponding path program 1 times [2018-01-28 21:11:28,991 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:28,992 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:28,993 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:28,993 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:28,993 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:29,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:29,152 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 21:11:29,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-28 21:11:29,153 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-28 21:11:29,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-28 21:11:29,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-28 21:11:29,153 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 9 states. [2018-01-28 21:11:29,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:29,296 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-01-28 21:11:29,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-28 21:11:29,297 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-01-28 21:11:29,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:29,301 INFO L225 Difference]: With dead ends: 47 [2018-01-28 21:11:29,301 INFO L226 Difference]: Without dead ends: 46 [2018-01-28 21:11:29,301 INFO L533 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 [2018-01-28 21:11:29,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-01-28 21:11:29,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2018-01-28 21:11:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-28 21:11:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-01-28 21:11:29,306 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 19 [2018-01-28 21:11:29,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:29,307 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-01-28 21:11:29,307 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-28 21:11:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-01-28 21:11:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-28 21:11:29,308 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:29,308 INFO L330 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] [2018-01-28 21:11:29,308 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1200275766, now seen corresponding path program 1 times [2018-01-28 21:11:29,308 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:29,308 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:29,309 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:29,309 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:29,309 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:29,327 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:29,557 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-28 21:11:29,557 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 [2018-01-28 21:11:29,566 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:29,590 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-28 21:11:29,628 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 [2018-01-28 21:11:29,631 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 [2018-01-28 21:11:29,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-28 21:11:29,645 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-28 21:11:29,651 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. [2018-01-28 21:11:29,684 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-01-28 21:11:29,833 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 [2018-01-28 21:11:29,850 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 [2018-01-28 21:11:29,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-28 21:11:29,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-28 21:11:29,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-28 21:11:29,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-01-28 21:11:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:29,966 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-28 21:11:29,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2018-01-28 21:11:29,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-28 21:11:29,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-28 21:11:29,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2018-01-28 21:11:29,968 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 18 states. [2018-01-28 21:11:31,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:31,775 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-01-28 21:11:31,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-28 21:11:31,776 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2018-01-28 21:11:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:31,777 INFO L225 Difference]: With dead ends: 58 [2018-01-28 21:11:31,777 INFO L226 Difference]: Without dead ends: 57 [2018-01-28 21:11:31,778 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2018-01-28 21:11:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-28 21:11:31,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2018-01-28 21:11:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-28 21:11:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-01-28 21:11:31,787 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2018-01-28 21:11:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:31,788 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-01-28 21:11:31,788 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-28 21:11:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-01-28 21:11:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-28 21:11:31,790 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:31,790 INFO L330 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] [2018-01-28 21:11:31,790 INFO L371 AbstractCegarLoop]: === Iteration 6 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:31,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1095591364, now seen corresponding path program 1 times [2018-01-28 21:11:31,790 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:31,791 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:31,792 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:31,792 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:31,792 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:31,817 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:31,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 21:11:31,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 21:11:31,885 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 21:11:31,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 21:11:31,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-28 21:11:31,887 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 4 states. [2018-01-28 21:11:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:31,943 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-01-28 21:11:31,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 21:11:31,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-01-28 21:11:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:31,945 INFO L225 Difference]: With dead ends: 45 [2018-01-28 21:11:31,945 INFO L226 Difference]: Without dead ends: 35 [2018-01-28 21:11:31,945 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-28 21:11:31,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-28 21:11:31,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-28 21:11:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-28 21:11:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-01-28 21:11:31,956 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 29 [2018-01-28 21:11:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:31,956 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-01-28 21:11:31,957 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 21:11:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-01-28 21:11:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-28 21:11:31,957 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 21:11:31,957 INFO L330 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] [2018-01-28 21:11:31,957 INFO L371 AbstractCegarLoop]: === Iteration 7 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-28 21:11:31,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1080705052, now seen corresponding path program 2 times [2018-01-28 21:11:31,958 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 21:11:31,958 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 21:11:31,959 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:31,959 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 21:11:31,959 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 21:11:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 21:11:31,972 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 21:11:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:32,285 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-28 21:11:32,285 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 [2018-01-28 21:11:32,290 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-28 21:11:32,301 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-28 21:11:32,305 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-28 21:11:32,306 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-28 21:11:32,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-28 21:11:32,312 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 [2018-01-28 21:11:32,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-28 21:11:32,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-28 21:11:32,315 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-28 21:11:32,341 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 [2018-01-28 21:11:32,343 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 [2018-01-28 21:11:32,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-28 21:11:32,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-28 21:11:32,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-28 21:11:32,348 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-01-28 21:11:32,484 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 [2018-01-28 21:11:32,490 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 [2018-01-28 21:11:32,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-28 21:11:32,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-28 21:11:32,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-28 21:11:32,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-01-28 21:11:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 21:11:32,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-28 21:11:32,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-01-28 21:11:32,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-01-28 21:11:32,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-01-28 21:11:32,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-01-28 21:11:32,571 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 20 states. [2018-01-28 21:11:33,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 21:11:33,220 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-01-28 21:11:33,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-28 21:11:33,221 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 33 [2018-01-28 21:11:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 21:11:33,221 INFO L225 Difference]: With dead ends: 39 [2018-01-28 21:11:33,221 INFO L226 Difference]: Without dead ends: 0 [2018-01-28 21:11:33,222 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2018-01-28 21:11:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-28 21:11:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-28 21:11:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-28 21:11:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-28 21:11:33,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-28 21:11:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 21:11:33,223 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-28 21:11:33,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-01-28 21:11:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-28 21:11:33,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-28 21:11:33,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-28 21:11:37,402 WARN L146 SmtUtils]: Spent 4115ms on a formula simplification. DAG size of input: 104 DAG size of output 76 [2018-01-28 21:11:37,437 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 556) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,438 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|))))) [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point L544''''''''''(lines 544 545) no Hoare annotation was computed. [2018-01-28 21:11:37,438 INFO L399 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L402 ceAbstractionStarter]: At program point cstrlenENTRY(lines 540 547) the Hoare annotation is: true [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point cstrlenErr1RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point cstrlenEXIT(lines 540 547) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point cstrlenErr0RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point L544''''''(lines 544 545) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point cstrlenFINAL(lines 540 547) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 556) the Hoare annotation is: true [2018-01-28 21:11:37,439 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,439 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 556) the Hoare annotation is: true [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L550(lines 550 552) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 548 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 548 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 548 556) no Hoare annotation was computed. [2018-01-28 21:11:37,440 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 548 556) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 21:11:37,441 INFO L399 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-01-28 21:11:37,441 INFO L399 ceAbstractionStarter]: For program point L550''(lines 550 552) no Hoare annotation was computed. [2018-01-28 21:11:37,441 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)))) [2018-01-28 21:11:37,441 INFO L399 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-01-28 21:11:37,441 INFO L399 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-01-28 21:11:37,447 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,448 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,448 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,448 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,448 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,449 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,450 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,450 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,450 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,450 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,450 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,451 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,452 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,453 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,454 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,454 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,455 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,455 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,455 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,455 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,456 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,456 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,456 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,456 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,456 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,457 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,464 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,469 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,469 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,469 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,469 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,469 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,471 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,472 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,473 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,473 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,473 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,473 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 09:11:37 BoogieIcfgContainer [2018-01-28 21:11:37,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 21:11:37,478 INFO L168 Benchmark]: Toolchain (without parser) took 9893.23 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 263.5 MB in the beginning and 346.7 MB in the end (delta: -83.2 MB). Peak memory consumption was 125.5 MB. Max. memory is 5.3 GB. [2018-01-28 21:11:37,479 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 21:11:37,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.75 ms. Allocated memory is still 304.6 MB. Free memory was 263.5 MB in the beginning and 253.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-28 21:11:37,479 INFO L168 Benchmark]: Boogie Preprocessor took 29.64 ms. Allocated memory is still 304.6 MB. Free memory was 253.3 MB in the beginning and 251.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 21:11:37,480 INFO L168 Benchmark]: RCFGBuilder took 272.30 ms. Allocated memory is still 304.6 MB. Free memory was 251.3 MB in the beginning and 236.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 5.3 GB. [2018-01-28 21:11:37,480 INFO L168 Benchmark]: TraceAbstraction took 9389.14 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 236.2 MB in the beginning and 346.7 MB in the end (delta: -110.5 MB). Peak memory consumption was 98.2 MB. Max. memory is 5.3 GB. [2018-01-28 21:11:37,482 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 194.75 ms. Allocated memory is still 304.6 MB. Free memory was 263.5 MB in the beginning and 253.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.64 ms. Allocated memory is still 304.6 MB. Free memory was 253.3 MB in the beginning and 251.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 272.30 ms. Allocated memory is still 304.6 MB. Free memory was 251.3 MB in the beginning and 236.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 9389.14 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 236.2 MB in the beginning and 346.7 MB in the end (delta: -110.5 MB). Peak memory consumption was 98.2 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 [2018-01-28 21:11:37,492 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,492 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,493 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,493 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,493 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,493 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,493 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,494 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,494 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,494 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,494 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,494 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,495 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,495 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,495 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,495 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,495 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,498 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,498 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,503 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,504 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,504 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,504 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,504 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,504 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-28 21:11:37,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,509 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,509 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,509 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-28 21:11:37,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-28 21:11:37,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-28 21:11:37,511 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, 9.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s 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, 1.9s 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, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s 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-0-2018-01-28_21-11-37-517.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-0-2018-01-28_21-11-37-517.csv Received shutdown request...