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.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 11:42:06,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 11:42:06,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 11:42:06,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 11:42:06,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 11:42:06,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 11:42:06,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 11:42:06,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 11:42:06,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 11:42:06,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 11:42:06,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 11:42:06,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 11:42:06,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 11:42:06,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 11:42:06,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 11:42:06,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 11:42:06,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 11:42:06,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 11:42:06,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 11:42:06,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 11:42:06,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 11:42:06,621 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 11:42:06,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 11:42:06,622 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.epf [2018-01-24 11:42:06,631 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 11:42:06,631 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 11:42:06,632 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 11:42:06,632 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 11:42:06,632 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 11:42:06,632 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 11:42:06,632 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 11:42:06,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 11:42:06,633 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 11:42:06,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 11:42:06,634 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 11:42:06,635 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 11:42:06,635 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 11:42:06,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 11:42:06,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 11:42:06,635 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 11:42:06,636 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 11:42:06,637 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 11:42:06,637 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 11:42:06,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 11:42:06,682 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 11:42:06,686 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 11:42:06,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 11:42:06,688 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 11:42:06,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-01-24 11:42:06,863 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 11:42:06,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 11:42:06,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 11:42:06,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 11:42:06,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 11:42:06,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:42:06" (1/1) ... [2018-01-24 11:42:06,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a59f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:06, skipping insertion in model container [2018-01-24 11:42:06,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:42:06" (1/1) ... [2018-01-24 11:42:06,891 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 11:42:06,929 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 11:42:07,047 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 11:42:07,068 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 11:42:07,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07 WrapperNode [2018-01-24 11:42:07,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 11:42:07,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 11:42:07,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 11:42:07,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 11:42:07,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (1/1) ... [2018-01-24 11:42:07,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 11:42:07,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 11:42:07,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 11:42:07,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 11:42:07,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (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 [2018-01-24 11:42:07,185 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 11:42:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 11:42:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-01-24 11:42:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 11:42:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 11:42:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 11:42:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 11:42:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 11:42:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 11:42:07,431 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 11:42:07,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:42:07 BoogieIcfgContainer [2018-01-24 11:42:07,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 11:42:07,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 11:42:07,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 11:42:07,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 11:42:07,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 11:42:06" (1/3) ... [2018-01-24 11:42:07,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67507f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:42:07, skipping insertion in model container [2018-01-24 11:42:07,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:42:07" (2/3) ... [2018-01-24 11:42:07,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67507f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:42:07, skipping insertion in model container [2018-01-24 11:42:07,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:42:07" (3/3) ... [2018-01-24 11:42:07,438 INFO L105 eAbstractionObserver]: Analyzing ICFG cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-01-24 11:42:07,445 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 11:42:07,450 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-24 11:42:07,494 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 11:42:07,495 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 11:42:07,495 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 11:42:07,495 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 11:42:07,495 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 11:42:07,495 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 11:42:07,496 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 11:42:07,496 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 11:42:07,497 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 11:42:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-01-24 11:42:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-24 11:42:07,525 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:07,526 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:07,527 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:07,532 INFO L82 PathProgramCache]: Analyzing trace with hash 118579097, now seen corresponding path program 1 times [2018-01-24 11:42:07,534 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:07,535 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:07,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:07,588 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:07,588 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:07,643 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:07,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:07,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 11:42:07,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 11:42:07,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 11:42:07,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 11:42:07,742 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2018-01-24 11:42:07,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:07,931 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-01-24 11:42:07,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 11:42:07,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-01-24 11:42:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:07,942 INFO L225 Difference]: With dead ends: 59 [2018-01-24 11:42:07,942 INFO L226 Difference]: Without dead ends: 42 [2018-01-24 11:42:07,945 INFO L525 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 [2018-01-24 11:42:07,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-01-24 11:42:07,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-01-24 11:42:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-01-24 11:42:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-01-24 11:42:07,979 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-01-24 11:42:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:07,979 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-01-24 11:42:07,979 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 11:42:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-01-24 11:42:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-24 11:42:07,980 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:07,980 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:07,980 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash 118579098, now seen corresponding path program 1 times [2018-01-24 11:42:07,981 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:07,981 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:07,982 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:07,982 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:07,982 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:08,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:08,118 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:08,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 11:42:08,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 11:42:08,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 11:42:08,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 11:42:08,120 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2018-01-24 11:42:08,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:08,204 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-01-24 11:42:08,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 11:42:08,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-01-24 11:42:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:08,206 INFO L225 Difference]: With dead ends: 42 [2018-01-24 11:42:08,206 INFO L226 Difference]: Without dead ends: 41 [2018-01-24 11:42:08,207 INFO L525 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 [2018-01-24 11:42:08,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-24 11:42:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-01-24 11:42:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-24 11:42:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-01-24 11:42:08,213 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2018-01-24 11:42:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:08,214 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-01-24 11:42:08,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 11:42:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-01-24 11:42:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 11:42:08,215 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:08,215 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:08,215 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:08,215 INFO L82 PathProgramCache]: Analyzing trace with hash -539609344, now seen corresponding path program 1 times [2018-01-24 11:42:08,216 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:08,216 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:08,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,217 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:08,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:08,240 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:08,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:08,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:42:08,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 11:42:08,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 11:42:08,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:42:08,315 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 6 states. [2018-01-24 11:42:08,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:08,446 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-01-24 11:42:08,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 11:42:08,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-24 11:42:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:08,447 INFO L225 Difference]: With dead ends: 41 [2018-01-24 11:42:08,447 INFO L226 Difference]: Without dead ends: 40 [2018-01-24 11:42:08,448 INFO L525 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 [2018-01-24 11:42:08,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-01-24 11:42:08,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-01-24 11:42:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-24 11:42:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-01-24 11:42:08,454 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2018-01-24 11:42:08,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:08,454 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-01-24 11:42:08,454 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 11:42:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-01-24 11:42:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 11:42:08,455 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:08,456 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:08,456 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:08,456 INFO L82 PathProgramCache]: Analyzing trace with hash -539609343, now seen corresponding path program 1 times [2018-01-24 11:42:08,456 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:08,456 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:08,457 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,458 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:08,458 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:08,478 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:08,596 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:08,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-24 11:42:08,597 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-24 11:42:08,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-24 11:42:08,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-24 11:42:08,597 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 9 states. [2018-01-24 11:42:08,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:08,759 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-01-24 11:42:08,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 11:42:08,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-01-24 11:42:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:08,763 INFO L225 Difference]: With dead ends: 51 [2018-01-24 11:42:08,763 INFO L226 Difference]: Without dead ends: 50 [2018-01-24 11:42:08,764 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-01-24 11:42:08,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-01-24 11:42:08,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2018-01-24 11:42:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-24 11:42:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-01-24 11:42:08,771 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 18 [2018-01-24 11:42:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:08,772 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-01-24 11:42:08,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-24 11:42:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-01-24 11:42:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 11:42:08,773 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:08,773 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:08,773 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash 451979505, now seen corresponding path program 1 times [2018-01-24 11:42:08,774 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:08,774 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:08,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,775 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:08,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:08,799 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:08,941 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:08,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-24 11:42:08,942 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-24 11:42:08,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-24 11:42:08,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-24 11:42:08,943 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2018-01-24 11:42:09,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:09,052 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-01-24 11:42:09,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 11:42:09,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-01-24 11:42:09,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:09,053 INFO L225 Difference]: With dead ends: 50 [2018-01-24 11:42:09,053 INFO L226 Difference]: Without dead ends: 49 [2018-01-24 11:42:09,054 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-01-24 11:42:09,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-01-24 11:42:09,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2018-01-24 11:42:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-24 11:42:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2018-01-24 11:42:09,059 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2018-01-24 11:42:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:09,059 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2018-01-24 11:42:09,059 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-24 11:42:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2018-01-24 11:42:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 11:42:09,060 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:09,060 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:09,060 INFO L371 AbstractCegarLoop]: === Iteration 6 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:09,060 INFO L82 PathProgramCache]: Analyzing trace with hash 451979504, now seen corresponding path program 1 times [2018-01-24 11:42:09,060 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:09,061 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:09,061 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,061 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:09,062 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:09,076 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:09,183 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:09,183 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-24 11:42:09,183 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-24 11:42:09,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-24 11:42:09,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-01-24 11:42:09,184 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 9 states. [2018-01-24 11:42:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:09,296 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2018-01-24 11:42:09,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 11:42:09,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-01-24 11:42:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:09,297 INFO L225 Difference]: With dead ends: 44 [2018-01-24 11:42:09,298 INFO L226 Difference]: Without dead ends: 43 [2018-01-24 11:42:09,298 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-01-24 11:42:09,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-01-24 11:42:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-01-24 11:42:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-24 11:42:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-01-24 11:42:09,302 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 19 [2018-01-24 11:42:09,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:09,308 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-01-24 11:42:09,308 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-24 11:42:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-01-24 11:42:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 11:42:09,309 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:09,309 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:09,309 INFO L371 AbstractCegarLoop]: === Iteration 7 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:09,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1872127023, now seen corresponding path program 1 times [2018-01-24 11:42:09,310 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:09,310 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:09,311 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,311 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:09,311 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:09,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:09,394 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:09,394 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 11:42:09,394 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 11:42:09,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 11:42:09,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:42:09,395 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2018-01-24 11:42:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:09,458 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2018-01-24 11:42:09,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 11:42:09,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-01-24 11:42:09,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:09,460 INFO L225 Difference]: With dead ends: 101 [2018-01-24 11:42:09,460 INFO L226 Difference]: Without dead ends: 77 [2018-01-24 11:42:09,461 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-01-24 11:42:09,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-01-24 11:42:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2018-01-24 11:42:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-01-24 11:42:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-01-24 11:42:09,469 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 23 [2018-01-24 11:42:09,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:09,469 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-01-24 11:42:09,469 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 11:42:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-01-24 11:42:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 11:42:09,470 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:09,470 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:09,470 INFO L371 AbstractCegarLoop]: === Iteration 8 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:09,470 INFO L82 PathProgramCache]: Analyzing trace with hash 851058669, now seen corresponding path program 1 times [2018-01-24 11:42:09,470 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:09,470 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:09,471 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,471 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:09,471 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:09,488 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:09,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:09,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-24 11:42:09,653 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-24 11:42:09,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-24 11:42:09,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-01-24 11:42:09,654 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 10 states. [2018-01-24 11:42:09,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:09,935 INFO L93 Difference]: Finished difference Result 150 states and 170 transitions. [2018-01-24 11:42:09,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 11:42:09,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-01-24 11:42:09,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:09,937 INFO L225 Difference]: With dead ends: 150 [2018-01-24 11:42:09,937 INFO L226 Difference]: Without dead ends: 121 [2018-01-24 11:42:09,938 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-01-24 11:42:09,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-01-24 11:42:09,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2018-01-24 11:42:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-01-24 11:42:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2018-01-24 11:42:09,951 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 23 [2018-01-24 11:42:09,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:09,952 INFO L432 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2018-01-24 11:42:09,952 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-24 11:42:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2018-01-24 11:42:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 11:42:09,953 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:09,953 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:09,953 INFO L371 AbstractCegarLoop]: === Iteration 9 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:09,953 INFO L82 PathProgramCache]: Analyzing trace with hash -737289233, now seen corresponding path program 1 times [2018-01-24 11:42:09,954 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:09,954 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:09,955 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,955 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:09,955 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:09,971 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:10,150 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 11:42:10,150 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 [2018-01-24 11:42:10,156 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:10,198 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 11:42:10,256 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 [2018-01-24 11:42:10,267 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 [2018-01-24 11:42:10,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:10,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:10,281 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. [2018-01-24 11:42:10,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-01-24 11:42:10,433 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 [2018-01-24 11:42:10,444 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 [2018-01-24 11:42:10,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 11:42:10,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 11:42:10,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 11:42:10,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-01-24 11:42:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:10,523 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-24 11:42:10,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2018-01-24 11:42:10,524 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-01-24 11:42:10,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-01-24 11:42:10,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-01-24 11:42:10,525 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand 17 states. [2018-01-24 11:42:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:13,774 INFO L93 Difference]: Finished difference Result 116 states and 133 transitions. [2018-01-24 11:42:13,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-01-24 11:42:13,805 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2018-01-24 11:42:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:13,807 INFO L225 Difference]: With dead ends: 116 [2018-01-24 11:42:13,807 INFO L226 Difference]: Without dead ends: 115 [2018-01-24 11:42:13,807 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=98, Invalid=551, Unknown=1, NotChecked=0, Total=650 [2018-01-24 11:42:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-01-24 11:42:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2018-01-24 11:42:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-01-24 11:42:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2018-01-24 11:42:13,820 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 23 [2018-01-24 11:42:13,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:13,820 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2018-01-24 11:42:13,820 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-01-24 11:42:13,821 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-01-24 11:42:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 11:42:13,821 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:13,822 INFO L322 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] [2018-01-24 11:42:13,822 INFO L371 AbstractCegarLoop]: === Iteration 10 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:13,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2111493848, now seen corresponding path program 1 times [2018-01-24 11:42:13,822 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:13,822 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:13,823 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:13,823 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:13,823 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:13,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:13,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:13,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:42:13,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 11:42:13,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 11:42:13,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:42:13,888 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 6 states. [2018-01-24 11:42:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:14,023 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2018-01-24 11:42:14,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 11:42:14,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-01-24 11:42:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:14,025 INFO L225 Difference]: With dead ends: 105 [2018-01-24 11:42:14,025 INFO L226 Difference]: Without dead ends: 104 [2018-01-24 11:42:14,025 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-01-24 11:42:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-01-24 11:42:14,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 89. [2018-01-24 11:42:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-01-24 11:42:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2018-01-24 11:42:14,040 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 24 [2018-01-24 11:42:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:14,040 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-01-24 11:42:14,040 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 11:42:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2018-01-24 11:42:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 11:42:14,041 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:14,042 INFO L322 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] [2018-01-24 11:42:14,042 INFO L371 AbstractCegarLoop]: === Iteration 11 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:14,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2111493847, now seen corresponding path program 1 times [2018-01-24 11:42:14,042 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:14,042 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:14,043 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,043 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:14,043 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:14,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:14,136 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:14,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-24 11:42:14,136 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 11:42:14,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 11:42:14,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-24 11:42:14,136 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand 8 states. [2018-01-24 11:42:14,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:14,257 INFO L93 Difference]: Finished difference Result 136 states and 153 transitions. [2018-01-24 11:42:14,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-24 11:42:14,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-01-24 11:42:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:14,259 INFO L225 Difference]: With dead ends: 136 [2018-01-24 11:42:14,259 INFO L226 Difference]: Without dead ends: 112 [2018-01-24 11:42:14,260 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-01-24 11:42:14,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-01-24 11:42:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2018-01-24 11:42:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-01-24 11:42:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2018-01-24 11:42:14,275 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 24 [2018-01-24 11:42:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:14,275 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2018-01-24 11:42:14,275 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 11:42:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2018-01-24 11:42:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 11:42:14,277 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:14,277 INFO L322 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] [2018-01-24 11:42:14,277 INFO L371 AbstractCegarLoop]: === Iteration 12 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash 595125547, now seen corresponding path program 1 times [2018-01-24 11:42:14,278 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:14,278 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:14,279 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,279 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:14,279 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:14,292 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:14,531 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:14,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-24 11:42:14,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-24 11:42:14,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-24 11:42:14,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-01-24 11:42:14,532 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 12 states. [2018-01-24 11:42:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:14,911 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2018-01-24 11:42:14,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-24 11:42:14,911 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-01-24 11:42:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:14,913 INFO L225 Difference]: With dead ends: 122 [2018-01-24 11:42:14,913 INFO L226 Difference]: Without dead ends: 121 [2018-01-24 11:42:14,913 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-01-24 11:42:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-01-24 11:42:14,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-01-24 11:42:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-01-24 11:42:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2018-01-24 11:42:14,929 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 24 [2018-01-24 11:42:14,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:14,929 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2018-01-24 11:42:14,929 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-24 11:42:14,929 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2018-01-24 11:42:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 11:42:14,930 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:14,931 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:14,931 INFO L371 AbstractCegarLoop]: === Iteration 13 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1381129789, now seen corresponding path program 1 times [2018-01-24 11:42:14,931 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:14,931 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:14,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,932 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:14,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:14,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:15,128 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 11:42:15,129 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 [2018-01-24 11:42:15,141 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:15,170 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 11:42:15,179 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 [2018-01-24 11:42:15,180 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,187 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 [2018-01-24 11:42:15,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,193 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-01-24 11:42:15,256 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:15,268 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:15,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-24 11:42:15,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-01-24 11:42:15,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:15,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-01-24 11:42:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:15,474 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-24 11:42:15,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2018-01-24 11:42:15,475 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-01-24 11:42:15,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-01-24 11:42:15,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-01-24 11:42:15,475 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 19 states. [2018-01-24 11:42:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:15,912 INFO L93 Difference]: Finished difference Result 134 states and 152 transitions. [2018-01-24 11:42:15,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-24 11:42:15,912 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 24 [2018-01-24 11:42:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:15,914 INFO L225 Difference]: With dead ends: 134 [2018-01-24 11:42:15,914 INFO L226 Difference]: Without dead ends: 133 [2018-01-24 11:42:15,914 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2018-01-24 11:42:15,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-01-24 11:42:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2018-01-24 11:42:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-01-24 11:42:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2018-01-24 11:42:15,928 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 24 [2018-01-24 11:42:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:15,929 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2018-01-24 11:42:15,929 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-01-24 11:42:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2018-01-24 11:42:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 11:42:15,930 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:15,930 INFO L322 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] [2018-01-24 11:42:15,930 INFO L371 AbstractCegarLoop]: === Iteration 14 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:15,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2091617170, now seen corresponding path program 1 times [2018-01-24 11:42:15,930 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:15,930 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:15,931 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:15,931 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:15,931 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:15,939 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:15,974 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:15,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:42:15,974 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 11:42:15,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 11:42:15,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 11:42:15,975 INFO L87 Difference]: Start difference. First operand 112 states and 126 transitions. Second operand 5 states. [2018-01-24 11:42:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:16,004 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2018-01-24 11:42:16,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 11:42:16,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 11:42:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:16,005 INFO L225 Difference]: With dead ends: 125 [2018-01-24 11:42:16,005 INFO L226 Difference]: Without dead ends: 112 [2018-01-24 11:42:16,006 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:42:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-01-24 11:42:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-01-24 11:42:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-01-24 11:42:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2018-01-24 11:42:16,016 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 26 [2018-01-24 11:42:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:16,017 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2018-01-24 11:42:16,017 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 11:42:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2018-01-24 11:42:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-24 11:42:16,018 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:16,018 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:16,018 INFO L371 AbstractCegarLoop]: === Iteration 15 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:16,018 INFO L82 PathProgramCache]: Analyzing trace with hash -156851199, now seen corresponding path program 2 times [2018-01-24 11:42:16,018 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:16,018 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:16,019 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:16,019 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:16,019 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:16,033 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:16,420 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 11:42:16,421 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 11:42:16,431 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-24 11:42:16,445 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 11:42:16,452 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-24 11:42:16,455 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-24 11:42:16,459 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 11:42:16,463 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 [2018-01-24 11:42:16,463 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-24 11:42:16,470 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:16,474 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:16,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-24 11:42:16,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-01-24 11:42:16,494 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,504 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-01-24 11:42:16,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-24 11:42:16,556 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 [2018-01-24 11:42:16,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,565 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. [2018-01-24 11:42:16,565 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-01-24 11:42:16,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-01-24 11:42:16,724 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 8 treesize of output 7 [2018-01-24 11:42:16,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:16,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-24 11:42:16,735 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:37, output treesize:22 [2018-01-24 11:42:16,802 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 22 treesize of output 18 [2018-01-24 11:42:16,808 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 18 treesize of output 15 [2018-01-24 11:42:16,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-24 11:42:16,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 11:42:16,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-24 11:42:16,820 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-01-24 11:42:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:16,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-24 11:42:16,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2018-01-24 11:42:16,893 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-24 11:42:16,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-24 11:42:16,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2018-01-24 11:42:16,893 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 26 states. [2018-01-24 11:42:17,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:17,889 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2018-01-24 11:42:17,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-01-24 11:42:17,889 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 28 [2018-01-24 11:42:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:17,890 INFO L225 Difference]: With dead ends: 130 [2018-01-24 11:42:17,890 INFO L226 Difference]: Without dead ends: 129 [2018-01-24 11:42:17,891 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=205, Invalid=1601, Unknown=0, NotChecked=0, Total=1806 [2018-01-24 11:42:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-01-24 11:42:17,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 105. [2018-01-24 11:42:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-01-24 11:42:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2018-01-24 11:42:17,906 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 28 [2018-01-24 11:42:17,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:17,906 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2018-01-24 11:42:17,907 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-24 11:42:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2018-01-24 11:42:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-24 11:42:17,907 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:17,908 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:42:17,908 INFO L371 AbstractCegarLoop]: === Iteration 16 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:17,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1429135806, now seen corresponding path program 1 times [2018-01-24 11:42:17,908 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:17,908 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:17,909 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:17,909 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-24 11:42:17,909 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:17,920 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:18,192 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 11:42:18,193 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 11:42:18,200 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:18,223 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 11:42:18,227 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 [2018-01-24 11:42:18,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,237 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 [2018-01-24 11:42:18,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,243 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-01-24 11:42:18,307 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:18,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-01-24 11:42:18,309 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,318 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:18,319 INFO L700 Elim1Store]: detected not equals via solver [2018-01-24 11:42:18,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-24 11:42:18,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:42:18,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-01-24 11:42:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:42:18,575 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-24 11:42:18,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-01-24 11:42:18,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-01-24 11:42:18,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-01-24 11:42:18,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2018-01-24 11:42:18,577 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand 28 states. [2018-01-24 11:42:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:19,760 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2018-01-24 11:42:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-24 11:42:19,761 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 29 [2018-01-24 11:42:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:19,762 INFO L225 Difference]: With dead ends: 144 [2018-01-24 11:42:19,762 INFO L226 Difference]: Without dead ends: 143 [2018-01-24 11:42:19,763 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=328, Invalid=2324, Unknown=0, NotChecked=0, Total=2652 [2018-01-24 11:42:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-01-24 11:42:19,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 96. [2018-01-24 11:42:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-01-24 11:42:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2018-01-24 11:42:19,773 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 29 [2018-01-24 11:42:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:19,773 INFO L432 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2018-01-24 11:42:19,774 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-01-24 11:42:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2018-01-24 11:42:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-24 11:42:19,774 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:42:19,774 INFO L322 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, 1, 1, 1, 1, 1] [2018-01-24 11:42:19,775 INFO L371 AbstractCegarLoop]: === Iteration 17 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-24 11:42:19,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1810852380, now seen corresponding path program 1 times [2018-01-24 11:42:19,775 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:42:19,775 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:42:19,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:19,775 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:42:19,776 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:42:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:42:19,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:42:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 11:42:19,842 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:42:19,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:42:19,842 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 11:42:19,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 11:42:19,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:42:19,842 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 6 states. [2018-01-24 11:42:19,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:42:19,928 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2018-01-24 11:42:19,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-24 11:42:19,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-24 11:42:19,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:42:19,929 INFO L225 Difference]: With dead ends: 96 [2018-01-24 11:42:19,929 INFO L226 Difference]: Without dead ends: 0 [2018-01-24 11:42:19,930 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-24 11:42:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-24 11:42:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-24 11:42:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-24 11:42:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-24 11:42:19,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-24 11:42:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:42:19,931 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-24 11:42:19,931 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 11:42:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-24 11:42:19,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-24 11:42:19,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-24 11:42:20,139 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-24 11:42:20,181 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-24 11:42:20,213 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-24 11:42:20,219 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-24 11:42:21,659 WARN L146 SmtUtils]: Spent 1418ms on a formula simplification. DAG size of input: 153 DAG size of output 113 [2018-01-24 11:42:28,047 WARN L146 SmtUtils]: Spent 6384ms on a formula simplification. DAG size of input: 147 DAG size of output 105 [2018-01-24 11:42:29,232 WARN L146 SmtUtils]: Spent 1108ms on a formula simplification. DAG size of input: 88 DAG size of output 58 [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point L551'(lines 551 552) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point L546(lines 546 555) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L397 ceAbstractionStarter]: At program point cstrncpyENTRY(lines 540 557) the Hoare annotation is: (let ((.cse10 (select |#length| |cstrncpy_#in~s1.base|))) (let ((.cse0 (not (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (= 0 (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) (+ (select |#length| |cstrncpy_#in~s2.base|) main_~nondetString~5.offset (- 1)))) (<= main_~nondetString~5.offset 0))))) (.cse3 (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|)) (.cse4 (< |cstrncpy_#in~n| .cse10)) (.cse5 (< .cse10 |cstrncpy_#in~n|)) (.cse1 (not (= 1 (select |#valid| |cstrncpy_#in~s2.base|)))) (.cse2 (not (= 0 |cstrncpy_#in~s1.offset|))) (.cse7 (not (= 1 (select |#valid| |cstrncpy_#in~s1.base|)))) (.cse8 (< .cse10 1)) (.cse9 (< (select |#length| |cstrncpy_#in~s2.base|) 1)) (.cse6 (not (= 0 |cstrncpy_#in~s2.offset|)))) (and (or (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (<= main_~nondetString~5.offset 0) (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) (+ main_~nondetString~5.offset (select |#length| |cstrncpy_#in~s2.base|) (- 1)))))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse3 (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)) .cse4 .cse5 (or (not (= (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|) 0)) .cse1 .cse2 .cse7 .cse8 .cse9) .cse6)))) [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr5RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point cstrncpyFINAL(lines 540 557) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr1RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr2RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,235 INFO L401 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point L551(lines 551 552) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point cstrncpyEXIT(lines 540 557) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr3RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L397 ceAbstractionStarter]: At program point L551'''(lines 551 552) the Hoare annotation is: (let ((.cse16 (select |#length| |cstrncpy_#in~s1.base|))) (let ((.cse0 (<= cstrncpy_~dst~2.offset 1)) (.cse1 (let ((.cse17 (select |#length| cstrncpy_~src~2.base))) (or (<= .cse17 cstrncpy_~src~2.offset) (<= cstrncpy_~src~2.offset 1) (<= (+ cstrncpy_~src~2.offset 2) .cse17)))) (.cse2 (not (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (= 0 (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) (+ (select |#length| |cstrncpy_#in~s2.base|) main_~nondetString~5.offset (- 1)))) (<= main_~nondetString~5.offset 0))))) (.cse4 (not (= 1 (select |#valid| |cstrncpy_#in~s2.base|)))) (.cse3 (not (= 0 |cstrncpy_#in~s1.offset|))) (.cse5 (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|)) (.cse7 (< |cstrncpy_#in~n| .cse16)) (.cse11 (< .cse16 |cstrncpy_#in~n|)) (.cse8 (not (= 0 |cstrncpy_#in~s2.offset|))) (.cse9 (not (= 1 (select |#valid| |cstrncpy_#in~s1.base|)))) (.cse10 (< .cse16 1)) (.cse6 (< (select |#length| |cstrncpy_#in~s2.base|) 1))) (and (or (and (<= cstrncpy_~n2~2 0) (<= cstrncpy_~n 0) .cse0 .cse1 (<= cstrncpy_~us~2.offset 1)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (< 1 |cstrncpy_#in~n|) .cse8 .cse9 .cse10) (or .cse2 .cse5 .cse7 .cse11 (or (not (= (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|) 0)) .cse4 .cse3 .cse9 .cse10 .cse6) .cse8 (and .cse0 .cse1 (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)))) (or .cse2 (let ((.cse15 (+ cstrncpy_~dst~2.offset cstrncpy_~n)) (.cse14 (select |#length| cstrncpy_~dst~2.base)) (.cse13 (select |#length| cstrncpy_~us~2.base)) (.cse12 (+ cstrncpy_~us~2.offset cstrncpy_~n2~2))) (and (<= .cse12 .cse13) (<= 1 cstrncpy_~dst~2.offset) (<= .cse14 .cse15) (<= 1 cstrncpy_~src~2.offset) (<= 1 cstrncpy_~us~2.offset) (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (<= main_~nondetString~5.offset 0) (= 0 (select (select |#memory_int| cstrncpy_~src~2.base) (+ main_~nondetString~5.offset (select |#length| cstrncpy_~src~2.base) (- 1)))))) (= 1 (select |#valid| cstrncpy_~src~2.base)) (= 1 (select |#valid| cstrncpy_~us~2.base)) (not (= cstrncpy_~src~2.base cstrncpy_~dst~2.base)) (<= .cse15 .cse14) (= 1 (select |#valid| cstrncpy_~dst~2.base)) (<= cstrncpy_~us~2.offset .cse13) (<= cstrncpy_~dst~2.offset .cse14) (<= .cse13 .cse12))) .cse4 .cse3 .cse5 .cse7 .cse11 .cse8 .cse9 .cse10 .cse6)))) [2018-01-24 11:42:29,236 INFO L397 ceAbstractionStarter]: At program point L546''(lines 546 555) the Hoare annotation is: (let ((.cse21 (select |#length| |cstrncpy_#in~s1.base|))) (let ((.cse16 (< .cse21 |cstrncpy_#in~n|)) (.cse0 (not (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (= 0 (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) (+ (select |#length| |cstrncpy_#in~s2.base|) main_~nondetString~5.offset (- 1)))) (<= main_~nondetString~5.offset 0))))) (.cse2 (not (= 0 |cstrncpy_#in~s1.offset|))) (.cse1 (not (= 1 (select |#valid| |cstrncpy_#in~s2.base|)))) (.cse3 (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|)) (.cse13 (<= cstrncpy_~dst~2.offset 1)) (.cse14 (select |#length| cstrncpy_~src~2.base)) (.cse17 (= 0 cstrncpy_~src~2.offset)) (.cse4 (< (select |#length| |cstrncpy_#in~s2.base|) 1)) (.cse15 (< |cstrncpy_#in~n| .cse21)) (.cse18 (not (= 0 |cstrncpy_#in~s2.offset|))) (.cse19 (not (= 1 (select |#valid| |cstrncpy_#in~s1.base|)))) (.cse20 (< .cse21 1))) (and (let ((.cse6 (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (<= main_~nondetString~5.offset 0) (= 0 (select (select |#memory_int| cstrncpy_~src~2.base) (+ main_~nondetString~5.offset (select |#length| cstrncpy_~src~2.base) (- 1))))))) (.cse7 (= 1 (select |#valid| cstrncpy_~src~2.base))) (.cse10 (select |#length| cstrncpy_~dst~2.base)) (.cse8 (not (= cstrncpy_~src~2.base cstrncpy_~dst~2.base))) (.cse11 (= 1 (select |#valid| cstrncpy_~dst~2.base)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (let ((.cse9 (+ cstrncpy_~dst~2.offset cstrncpy_~n))) (and (let ((.cse5 (<= (+ cstrncpy_~src~2.offset 1) .cse14)) (.cse12 (<= cstrncpy_~dst~2.offset .cse10))) (or (and (<= 1 cstrncpy_~dst~2.offset) .cse5 .cse6 .cse7 (<= 2 cstrncpy_~src~2.offset) .cse8 (<= .cse9 .cse10) .cse11 .cse12) (and .cse13 .cse5 (<= 1 cstrncpy_~src~2.offset) .cse6 .cse7 .cse8 (<= (+ cstrncpy_~n 1) .cse10) .cse11 .cse12))) (<= .cse10 .cse9))) .cse15 .cse16 (and (<= cstrncpy_~n .cse10) (= 0 cstrncpy_~dst~2.offset) .cse6 .cse7 (<= .cse10 cstrncpy_~n) (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (<= main_~nondetString~5.offset 0) (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) (+ main_~nondetString~5.offset (select |#length| |cstrncpy_#in~s2.base|) (- 1)))))) (= cstrncpy_~n |cstrncpy_#in~n|) .cse8 .cse17 .cse11 (<= 1 .cse14)) .cse18 .cse19 .cse20)) (or .cse0 .cse3 (and (= 0 (select (select |#memory_int| cstrncpy_~src~2.base) cstrncpy_~src~2.offset)) .cse17 (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|))) .cse15 .cse16 (or (not (= (select (select |old(#memory_int)| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|) 0)) .cse1 .cse2 .cse19 .cse20 .cse4) .cse18) (or .cse0 .cse2 .cse1 .cse3 (and (<= cstrncpy_~n 0) .cse13 (or (<= cstrncpy_~src~2.offset 1) (<= (+ cstrncpy_~src~2.offset 2) .cse14))) .cse17 .cse4 .cse15 (< 1 |cstrncpy_#in~n|) .cse18 .cse19 .cse20)))) [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr0RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,236 INFO L401 ceAbstractionStarter]: For program point L546'''(lines 546 555) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point cstrncpyErr4RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 572) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 572) the Hoare annotation is: true [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 572) the Hoare annotation is: true [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point L561(lines 561 563) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 558 572) no Hoare annotation was computed. [2018-01-24 11:42:29,237 INFO L401 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 572) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L568'''(line 568) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L564'(lines 564 566) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 558 572) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 558 572) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 558 572) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L561''(lines 561 563) no Hoare annotation was computed. [2018-01-24 11:42:29,238 INFO L401 ceAbstractionStarter]: For program point L567'(line 567) no Hoare annotation was computed. [2018-01-24 11:42:29,239 INFO L397 ceAbstractionStarter]: At program point L569'(line 569) the Hoare annotation is: (and (= 1 (select |#valid| |main_#t~malloc10.base|)) (= main_~n~5 (select |#length| |main_#t~malloc10.base|)) (<= 1 main_~n~5) (= (select |#length| main_~nondetArea~5.base) main_~n~5) (= 0 main_~nondetArea~5.offset) (= 0 |main_#t~malloc10.offset|) (= 0 |main_#t~malloc11.offset|) (= main_~nondetString~5.offset 0) (not (= |main_#t~malloc10.base| |main_#t~malloc11.base|)) (= main_~length~5 (select |#length| |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (exists ((main_~nondetString~5.offset Int)) (and (<= 0 main_~nondetString~5.offset) (= (select (select |#memory_int| main_~nondetString~5.base) (+ main_~nondetString~5.offset (select |#length| main_~nondetString~5.base) (- 1))) 0) (<= main_~nondetString~5.offset 0))) (not (= main_~nondetArea~5.base |main_#t~malloc11.base|)) (= 1 (select |#valid| main_~nondetArea~5.base)) (= main_~length~5 (select |#length| main_~nondetString~5.base)) (= 1 (select |#valid| main_~nondetString~5.base)) (= |old(#valid)| (store (store |#valid| |main_#t~malloc10.base| 0) |main_#t~malloc11.base| 0)) (not (= main_~nondetArea~5.base main_~nondetString~5.base)) (exists ((main_~length~5 Int)) (and (= (select (select |#memory_int| main_~nondetString~5.base) (+ main_~nondetString~5.offset main_~length~5 (- 1))) 0) (<= (+ main_~nondetString~5.offset main_~length~5) (select |#length| main_~nondetString~5.base)) (<= 1 main_~length~5)))) [2018-01-24 11:42:29,239 INFO L401 ceAbstractionStarter]: For program point L567''(line 567) no Hoare annotation was computed. [2018-01-24 11:42:29,239 INFO L401 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-01-24 11:42:29,250 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,251 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,251 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,252 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,252 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,252 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,252 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,253 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,253 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,253 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,253 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,254 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,254 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,254 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,254 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,255 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,255 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,255 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,255 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,256 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,256 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,257 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,258 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,258 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,258 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,258 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,259 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,260 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,261 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,262 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,263 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,264 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,264 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,264 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,273 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,274 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,274 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,275 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,275 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,275 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,276 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,276 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,276 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,277 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,277 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,278 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,278 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,278 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,278 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,279 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,279 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,280 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,280 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,281 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,281 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,282 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,282 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,282 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,282 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,283 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,283 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,283 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,287 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,287 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,287 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,288 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,289 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,290 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,296 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,297 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,297 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,297 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,298 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,298 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,298 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,299 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,299 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,299 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,300 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,300 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,301 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,301 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,301 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,302 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,302 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,302 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,302 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,302 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,303 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,303 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,303 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,303 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,304 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,311 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,312 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,312 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,312 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,312 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,313 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,313 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,314 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,314 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,314 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,314 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,315 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,315 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,316 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,317 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,317 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,317 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,317 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,317 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,318 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,318 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,318 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,318 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,318 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,319 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,319 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,319 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,319 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,320 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,321 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,322 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 11:42:29 BoogieIcfgContainer [2018-01-24 11:42:29,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 11:42:29,326 INFO L168 Benchmark]: Toolchain (without parser) took 22461.98 ms. Allocated memory was 307.2 MB in the beginning and 594.5 MB in the end (delta: 287.3 MB). Free memory was 267.1 MB in the beginning and 503.6 MB in the end (delta: -236.5 MB). Peak memory consumption was 227.7 MB. Max. memory is 5.3 GB. [2018-01-24 11:42:29,327 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 11:42:29,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.03 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 256.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 11:42:29,328 INFO L168 Benchmark]: Boogie Preprocessor took 44.70 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 254.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-24 11:42:29,328 INFO L168 Benchmark]: RCFGBuilder took 311.97 ms. Allocated memory is still 307.2 MB. Free memory was 254.1 MB in the beginning and 236.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-01-24 11:42:29,328 INFO L168 Benchmark]: TraceAbstraction took 21892.91 ms. Allocated memory was 307.2 MB in the beginning and 594.5 MB in the end (delta: 287.3 MB). Free memory was 236.1 MB in the beginning and 503.6 MB in the end (delta: -267.5 MB). Peak memory consumption was 196.7 MB. Max. memory is 5.3 GB. [2018-01-24 11:42:29,330 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 205.03 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 256.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.70 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 254.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 311.97 ms. Allocated memory is still 307.2 MB. Free memory was 254.1 MB in the beginning and 236.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21892.91 ms. Allocated memory was 307.2 MB in the beginning and 594.5 MB in the end (delta: 287.3 MB). Free memory was 236.1 MB in the beginning and 503.6 MB in the end (delta: -267.5 MB). Peak memory consumption was 196.7 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[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,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 #length - 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 #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #length - 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 #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 #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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #length - 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 #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 #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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 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: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: 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 9 specifications checked. All of them hold - InvariantResult [Line: 546]: Loop Invariant [2018-01-24 11:42:29,339 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,340 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,340 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,340 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,341 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,341 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,341 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,342 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,342 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,342 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,343 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,343 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,343 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,343 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,344 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,344 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,344 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,344 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,345 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,345 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,345 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,346 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,346 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,346 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,346 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,347 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,347 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,347 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,347 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,348 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,348 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,348 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,348 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,349 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,350 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,351 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,352 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,352 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,352 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,352 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,352 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,353 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,353 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,353 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,353 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,353 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,354 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,354 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,354 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,357 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,357 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,357 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,358 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,358 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,358 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,359 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,359 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,359 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,359 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,360 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,360 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,360 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,360 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,361 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,361 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,361 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,361 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,362 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,362 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,362 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,362 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,363 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,363 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,363 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,363 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,364 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,364 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,364 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,364 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,365 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,365 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,365 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,365 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,366 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,366 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,366 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,366 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,366 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,367 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,367 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,367 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,367 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,367 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,368 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,368 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,368 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,368 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,368 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,369 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,370 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((!(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0) || !(1 == \valid[s2])) || !(0 == s1)) || s1 == s2) || unknown-#length-unknown[s2] < 1) || ((((((((((1 <= dst && src + 1 <= unknown-#length-unknown[src]) && (\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && main_~nondetString~5.offset <= 0) && 0 == unknown-#memory_int-unknown[src][main_~nondetString~5.offset + unknown-#length-unknown[src] + -1])) && 1 == \valid[src]) && 2 <= src) && !(src == dst)) && dst + n <= unknown-#length-unknown[dst]) && 1 == \valid[dst]) && dst <= unknown-#length-unknown[dst]) || ((((((((dst <= 1 && src + 1 <= unknown-#length-unknown[src]) && 1 <= src) && (\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && main_~nondetString~5.offset <= 0) && 0 == unknown-#memory_int-unknown[src][main_~nondetString~5.offset + unknown-#length-unknown[src] + -1])) && 1 == \valid[src]) && !(src == dst)) && n + 1 <= unknown-#length-unknown[dst]) && 1 == \valid[dst]) && dst <= unknown-#length-unknown[dst])) && unknown-#length-unknown[dst] <= dst + n)) || \old(n) < unknown-#length-unknown[s1]) || unknown-#length-unknown[s1] < \old(n)) || ((((((((((n <= unknown-#length-unknown[dst] && 0 == dst) && (\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && main_~nondetString~5.offset <= 0) && 0 == unknown-#memory_int-unknown[src][main_~nondetString~5.offset + unknown-#length-unknown[src] + -1])) && 1 == \valid[src]) && unknown-#length-unknown[dst] <= n) && (\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && main_~nondetString~5.offset <= 0) && 0 == unknown-#memory_int-unknown[s2][main_~nondetString~5.offset + unknown-#length-unknown[s2] + -1])) && n == \old(n)) && !(src == dst)) && 0 == src) && 1 == \valid[dst]) && 1 <= unknown-#length-unknown[src])) || !(0 == s2)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) && ((((((!(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0) || s1 == s2) || ((0 == unknown-#memory_int-unknown[src][src] && 0 == src) && 0 == unknown-#memory_int-unknown[s2][s2])) || \old(n) < unknown-#length-unknown[s1]) || unknown-#length-unknown[s1] < \old(n)) || ((((!(\old(unknown-#memory_int-unknown)[s2][s2] == 0) || !(1 == \valid[s2])) || !(0 == s1)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) || unknown-#length-unknown[s2] < 1) || !(0 == s2))) && (((((((((((!(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0) || !(0 == s1)) || !(1 == \valid[s2])) || s1 == s2) || ((n <= 0 && dst <= 1) && (src <= 1 || src + 2 <= unknown-#length-unknown[src]))) || 0 == src) || unknown-#length-unknown[s2] < 1) || \old(n) < unknown-#length-unknown[s1]) || 1 < \old(n)) || !(0 == s2)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) - InvariantResult [Line: 551]: Loop Invariant [2018-01-24 11:42:29,373 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,373 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,373 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,374 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,374 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,374 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,374 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,375 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,375 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,375 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,375 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,376 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,376 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,377 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,377 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,377 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,377 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,377 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,378 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,378 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,378 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,378 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,378 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,379 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,380 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,380 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,380 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,380 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,381 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,381 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,381 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,381 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,382 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,382 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,382 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,382 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,382 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,384 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,385 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,386 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,387 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString~5.offset,QUANTIFIED] [2018-01-24 11:42:29,388 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,388 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,388 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,388 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,389 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,390 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,391 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-24 11:42:29,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,392 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:42:29,393 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((((((((((n2 <= 0 && n <= 0) && dst <= 1) && ((unknown-#length-unknown[src] <= src || src <= 1) || src + 2 <= unknown-#length-unknown[src])) && us <= 1) || !(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0)) || !(0 == s1)) || !(1 == \valid[s2])) || s1 == s2) || unknown-#length-unknown[s2] < 1) || \old(n) < unknown-#length-unknown[s1]) || 1 < \old(n)) || !(0 == s2)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) && ((((((!(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0) || s1 == s2) || \old(n) < unknown-#length-unknown[s1]) || unknown-#length-unknown[s1] < \old(n)) || ((((!(\old(unknown-#memory_int-unknown)[s2][s2] == 0) || !(1 == \valid[s2])) || !(0 == s1)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) || unknown-#length-unknown[s2] < 1) || !(0 == s2)) || ((dst <= 1 && ((unknown-#length-unknown[src] <= src || src <= 1) || src + 2 <= unknown-#length-unknown[src])) && 0 == unknown-#memory_int-unknown[s2][s2]))) && ((((((((((!(\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && 0 == \old(unknown-#memory_int-unknown)[s2][unknown-#length-unknown[s2] + main_~nondetString~5.offset + -1]) && main_~nondetString~5.offset <= 0) || (((((((((((((us + n2 <= unknown-#length-unknown[us] && 1 <= dst) && unknown-#length-unknown[dst] <= dst + n) && 1 <= src) && 1 <= us) && (\exists main_~nondetString~5.offset : int :: (0 <= main_~nondetString~5.offset && main_~nondetString~5.offset <= 0) && 0 == unknown-#memory_int-unknown[src][main_~nondetString~5.offset + unknown-#length-unknown[src] + -1])) && 1 == \valid[src]) && 1 == \valid[us]) && !(src == dst)) && dst + n <= unknown-#length-unknown[dst]) && 1 == \valid[dst]) && us <= unknown-#length-unknown[us]) && dst <= unknown-#length-unknown[dst]) && unknown-#length-unknown[us] <= us + n2)) || !(1 == \valid[s2])) || !(0 == s1)) || s1 == s2) || \old(n) < unknown-#length-unknown[s1]) || unknown-#length-unknown[s1] < \old(n)) || !(0 == s2)) || !(1 == \valid[s1])) || unknown-#length-unknown[s1] < 1) || unknown-#length-unknown[s2] < 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 9 error locations. SAFE Result, 21.7s OverallTime, 17 OverallIterations, 3 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 9.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 588 SDtfs, 886 SDslu, 3142 SDs, 0 SdLazy, 2373 SolverSat, 273 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 84 SyntacticMatches, 2 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=12, 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, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 206 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 17 PreInvPairs, 28 NumberOfFragments, 1122 HoareAnnotationTreeSize, 17 FomulaSimplifications, 3189 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 3777 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 462 ConstructedInterpolants, 15 QuantifiedInterpolants, 84979 SizeOfPredicates, 56 NumberOfNonLiveVariables, 649 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 8/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: 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/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_11-42-29-400.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_11-42-29-400.csv Received shutdown request...