java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 22:49:37,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 22:49:37,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 22:49:37,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 22:49:37,893 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 22:49:37,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 22:49:37,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 22:49:37,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 22:49:37,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 22:49:37,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 22:49:37,899 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 22:49:37,899 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 22:49:37,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 22:49:37,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 22:49:37,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 22:49:37,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 22:49:37,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 22:49:37,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 22:49:37,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 22:49:37,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 22:49:37,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 22:49:37,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 22:49:37,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 22:49:37,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 22:49:37,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 22:49:37,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 22:49:37,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 22:49:37,921 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 22:49:37,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 22:49:37,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 22:49:37,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 22:49:37,922 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-29 22:49:37,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 22:49:37,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 22:49:37,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 22:49:37,934 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 22:49:37,934 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 22:49:37,934 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 22:49:37,934 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 22:49:37,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 22:49:37,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 22:49:37,936 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 22:49:37,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 22:49:37,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 22:49:37,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 22:49:37,936 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 22:49:37,937 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 22:49:37,937 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 22:49:37,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 22:49:37,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 22:49:37,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 22:49:37,938 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 22:49:37,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 22:49:37,938 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 22:49:37,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 22:49:37,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:49:37,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 22:49:37,939 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 22:49:37,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 22:49:37,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 22:49:37,939 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 22:49:37,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 22:49:37,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 22:49:37,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 22:49:37,941 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 22:49:37,941 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 22:49:37,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 22:49:37,990 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 22:49:37,994 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 22:49:37,996 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 22:49:37,996 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 22:49:37,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:49:38,155 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 22:49:38,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 22:49:38,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 22:49:38,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 22:49:38,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 22:49:38,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb0d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38, skipping insertion in model container [2018-01-29 22:49:38,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,188 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:49:38,227 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:49:38,341 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:49:38,357 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:49:38,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38 WrapperNode [2018-01-29 22:49:38,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 22:49:38,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 22:49:38,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 22:49:38,364 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 22:49:38,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... [2018-01-29 22:49:38,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 22:49:38,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 22:49:38,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 22:49:38,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 22:49:38,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:49:38,445 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 22:49:38,445 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 22:49:38,445 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrnlen [2018-01-29 22:49:38,445 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure cstrnlen [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 22:49:38,446 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 22:49:38,447 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 22:49:38,644 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 22:49:38,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:49:38 BoogieIcfgContainer [2018-01-29 22:49:38,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 22:49:38,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 22:49:38,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 22:49:38,649 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 22:49:38,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:49:38" (1/3) ... [2018-01-29 22:49:38,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288f7ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:49:38, skipping insertion in model container [2018-01-29 22:49:38,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:49:38" (2/3) ... [2018-01-29 22:49:38,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288f7ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:49:38, skipping insertion in model container [2018-01-29 22:49:38,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:49:38" (3/3) ... [2018-01-29 22:49:38,654 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:49:38,663 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 22:49:38,668 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-29 22:49:38,706 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 22:49:38,706 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 22:49:38,706 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 22:49:38,706 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 22:49:38,706 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 22:49:38,707 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 22:49:38,707 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 22:49:38,707 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 22:49:38,707 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 22:49:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-01-29 22:49:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-29 22:49:38,732 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:38,733 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:38,733 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:38,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1889504165, now seen corresponding path program 1 times [2018-01-29 22:49:38,739 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:38,739 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:38,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:38,779 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:38,780 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:38,839 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:38,915 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:38,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:49:38,918 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:49:38,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:49:38,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:49:38,938 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2018-01-29 22:49:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:39,107 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2018-01-29 22:49:39,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 22:49:39,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-01-29 22:49:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:39,118 INFO L225 Difference]: With dead ends: 68 [2018-01-29 22:49:39,119 INFO L226 Difference]: Without dead ends: 52 [2018-01-29 22:49:39,122 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:49:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-01-29 22:49:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-01-29 22:49:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-29 22:49:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-01-29 22:49:39,153 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 17 [2018-01-29 22:49:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:39,153 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-01-29 22:49:39,153 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:49:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-01-29 22:49:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-29 22:49:39,154 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:39,154 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:39,154 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1889504166, now seen corresponding path program 1 times [2018-01-29 22:49:39,155 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:39,155 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:39,156 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,156 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:39,157 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:39,174 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:39,339 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:39,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-29 22:49:39,341 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-29 22:49:39,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-29 22:49:39,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:49:39,342 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 5 states. [2018-01-29 22:49:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:39,414 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-01-29 22:49:39,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:49:39,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-01-29 22:49:39,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:39,415 INFO L225 Difference]: With dead ends: 52 [2018-01-29 22:49:39,416 INFO L226 Difference]: Without dead ends: 51 [2018-01-29 22:49:39,417 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-29 22:49:39,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-29 22:49:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-01-29 22:49:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-01-29 22:49:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-01-29 22:49:39,424 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 17 [2018-01-29 22:49:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:39,424 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-01-29 22:49:39,424 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-29 22:49:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-01-29 22:49:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 22:49:39,425 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:39,425 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:39,426 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:39,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1010643533, now seen corresponding path program 1 times [2018-01-29 22:49:39,426 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:39,426 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:39,427 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,427 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:39,427 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:39,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:39,511 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:39,512 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-29 22:49:39,512 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-29 22:49:39,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-29 22:49:39,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-29 22:49:39,512 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 6 states. [2018-01-29 22:49:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:39,591 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2018-01-29 22:49:39,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:49:39,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-29 22:49:39,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:39,596 INFO L225 Difference]: With dead ends: 67 [2018-01-29 22:49:39,635 INFO L226 Difference]: Without dead ends: 66 [2018-01-29 22:49:39,635 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:49:39,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-01-29 22:49:39,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2018-01-29 22:49:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-29 22:49:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-01-29 22:49:39,643 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 26 [2018-01-29 22:49:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:39,644 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-01-29 22:49:39,644 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-29 22:49:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-01-29 22:49:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 22:49:39,645 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:39,645 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:39,645 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:39,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1010643532, now seen corresponding path program 1 times [2018-01-29 22:49:39,645 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:39,645 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:39,647 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,647 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:39,647 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:39,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:39,792 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:39,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-29 22:49:39,792 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-29 22:49:39,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-29 22:49:39,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-29 22:49:39,793 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 9 states. [2018-01-29 22:49:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:39,931 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2018-01-29 22:49:39,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-29 22:49:39,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-01-29 22:49:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:39,933 INFO L225 Difference]: With dead ends: 67 [2018-01-29 22:49:39,933 INFO L226 Difference]: Without dead ends: 66 [2018-01-29 22:49:39,933 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-01-29 22:49:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-01-29 22:49:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2018-01-29 22:49:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-29 22:49:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-01-29 22:49:39,940 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 26 [2018-01-29 22:49:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:39,941 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-01-29 22:49:39,941 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-29 22:49:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-01-29 22:49:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-29 22:49:39,942 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:39,943 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:39,943 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:39,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1515151567, now seen corresponding path program 1 times [2018-01-29 22:49:39,943 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:39,943 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:39,944 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,945 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:39,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:39,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:40,049 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:40,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:49:40,049 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:49:40,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:49:40,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:49:40,050 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 4 states. [2018-01-29 22:49:40,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:40,119 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2018-01-29 22:49:40,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 22:49:40,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2018-01-29 22:49:40,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:40,120 INFO L225 Difference]: With dead ends: 55 [2018-01-29 22:49:40,121 INFO L226 Difference]: Without dead ends: 44 [2018-01-29 22:49:40,121 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:49:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-29 22:49:40,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-29 22:49:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-29 22:49:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-01-29 22:49:40,125 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 36 [2018-01-29 22:49:40,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:40,126 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-01-29 22:49:40,126 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:49:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-01-29 22:49:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-29 22:49:40,126 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:40,127 INFO L350 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:40,127 INFO L371 AbstractCegarLoop]: === Iteration 6 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:40,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1699240800, now seen corresponding path program 1 times [2018-01-29 22:49:40,127 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:40,127 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:40,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,128 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:40,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:40,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:40,165 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:40,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:49:40,165 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-29 22:49:40,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-29 22:49:40,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 22:49:40,166 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 3 states. [2018-01-29 22:49:40,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:40,175 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-01-29 22:49:40,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-29 22:49:40,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-01-29 22:49:40,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:40,176 INFO L225 Difference]: With dead ends: 61 [2018-01-29 22:49:40,176 INFO L226 Difference]: Without dead ends: 44 [2018-01-29 22:49:40,176 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 22:49:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-29 22:49:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-29 22:49:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-29 22:49:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-01-29 22:49:40,180 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 38 [2018-01-29 22:49:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:40,181 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-01-29 22:49:40,181 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-29 22:49:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-01-29 22:49:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-29 22:49:40,182 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:40,182 INFO L350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:40,182 INFO L371 AbstractCegarLoop]: === Iteration 7 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:40,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1839240483, now seen corresponding path program 1 times [2018-01-29 22:49:40,182 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:40,182 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:40,183 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,183 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:40,183 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:40,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:40,246 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:49:40,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:49:40,246 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:49:40,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:49:40,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:49:40,247 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 4 states. [2018-01-29 22:49:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:40,288 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-01-29 22:49:40,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 22:49:40,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-01-29 22:49:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:40,295 INFO L225 Difference]: With dead ends: 44 [2018-01-29 22:49:40,295 INFO L226 Difference]: Without dead ends: 43 [2018-01-29 22:49:40,296 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:49:40,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-01-29 22:49:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-01-29 22:49:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-29 22:49:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-01-29 22:49:40,301 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 40 [2018-01-29 22:49:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:40,302 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-01-29 22:49:40,302 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:49:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-01-29 22:49:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-29 22:49:40,303 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:40,303 INFO L350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:49:40,303 INFO L371 AbstractCegarLoop]: === Iteration 8 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:40,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1839240484, now seen corresponding path program 1 times [2018-01-29 22:49:40,304 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:40,304 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:40,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,305 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:40,305 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:40,325 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:40,660 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:49:40,660 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:49:40,668 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:40,697 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:49:40,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-01-29 22:49:40,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-01-29 22:49:40,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-29 22:49:40,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:49:40,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-29 22:49:40,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-01-29 22:49:40,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-01-29 22:49:40,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-01-29 22:49:40,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-29 22:49:40,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:49:40,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:49:40,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-01-29 22:49:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:41,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:49:41,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2018-01-29 22:49:41,128 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-01-29 22:49:41,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-01-29 22:49:41,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2018-01-29 22:49:41,128 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 22 states. [2018-01-29 22:49:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:41,945 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-01-29 22:49:41,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-29 22:49:41,945 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-01-29 22:49:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:41,946 INFO L225 Difference]: With dead ends: 64 [2018-01-29 22:49:41,946 INFO L226 Difference]: Without dead ends: 63 [2018-01-29 22:49:41,946 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2018-01-29 22:49:41,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-01-29 22:49:41,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-01-29 22:49:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-29 22:49:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-01-29 22:49:41,952 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2018-01-29 22:49:41,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:41,953 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-01-29 22:49:41,953 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-01-29 22:49:41,953 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-01-29 22:49:41,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-29 22:49:41,955 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:49:41,955 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-01-29 22:49:41,955 INFO L371 AbstractCegarLoop]: === Iteration 9 === [cstrnlenErr0RequiresViolation, cstrnlenErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 22:49:41,955 INFO L82 PathProgramCache]: Analyzing trace with hash -262891372, now seen corresponding path program 2 times [2018-01-29 22:49:41,955 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:49:41,956 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:49:41,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:41,957 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:49:41,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:49:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:49:41,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:49:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:42,400 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:49:42,400 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:49:42,406 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-29 22:49:42,418 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:49:42,424 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:49:42,427 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-29 22:49:42,431 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:49:42,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-29 22:49:42,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-29 22:49:42,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:49:42,438 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-29 22:49:42,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-29 22:49:42,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-01-29 22:49:42,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-29 22:49:42,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:49:42,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:49:42,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-01-29 22:49:42,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-01-29 22:49:42,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-01-29 22:49:42,715 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-29 22:49:42,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:49:42,726 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-29 22:49:42,727 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:49 [2018-01-29 22:49:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:49:42,895 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:49:42,895 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2018-01-29 22:49:42,896 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-01-29 22:49:42,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-01-29 22:49:42,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2018-01-29 22:49:42,897 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 25 states. [2018-01-29 22:49:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:49:44,230 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-01-29 22:49:44,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-01-29 22:49:44,230 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 54 [2018-01-29 22:49:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:49:44,231 INFO L225 Difference]: With dead ends: 63 [2018-01-29 22:49:44,231 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 22:49:44,232 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=307, Invalid=1499, Unknown=0, NotChecked=0, Total=1806 [2018-01-29 22:49:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 22:49:44,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 22:49:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 22:49:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 22:49:44,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-01-29 22:49:44,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:49:44,233 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 22:49:44,233 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-01-29 22:49:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 22:49:44,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 22:49:44,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 22:49:44,495 WARN L146 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 41 DAG size of output 30 [2018-01-29 22:49:46,046 WARN L146 SmtUtils]: Spent 1549ms on a formula simplification. DAG size of input: 106 DAG size of output 79 [2018-01-29 22:49:46,049 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,049 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,049 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 560) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:49:46,049 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544'''''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544'''''''''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544'''''''''''''''''''(lines 544 545) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,050 INFO L395 ceAbstractionStarter]: At program point L544''''''''''''''''''(lines 544 545) the Hoare annotation is: (let ((.cse5 (select |#length| cstrnlen_~cp~2.base)) (.cse0 (= 1 (select |#valid| cstrnlen_~str.base))) (.cse1 (= 0 cstrnlen_~str.offset)) (.cse2 (= 1 (select |#valid| cstrnlen_~cp~2.base))) (.cse3 (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 cstrnlen_~str.offset) (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= (select (select |#memory_int| cstrnlen_~str.base) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| cstrnlen_~str.base) (- 1))) 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0)))) (.cse4 (exists ((main_~length1~4 Int) (v_main_~nondetString1~4.offset_BEFORE_CALL_1 Int)) (and (<= cstrnlen_~str.offset v_main_~nondetString1~4.offset_BEFORE_CALL_1) (<= (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1) (select |#length| cstrnlen_~str.base)) (<= 1 main_~length1~4) (= (select (select |#memory_int| cstrnlen_~str.base) (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1 (- 1))) 0))))) (or (not (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= 0 (select (select |#memory_int| |cstrnlen_#in~str.base|) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| |cstrnlen_#in~str.base|) (- 1)))) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 |cstrnlen_#in~str.offset|)))) (and (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 cstrnlen_~cp~2.offset) (= (select (select |#memory_int| cstrnlen_~cp~2.base) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| cstrnlen_~cp~2.base) (- 1))) 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0))) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 .cse5) (= 0 cstrnlen_~cp~2.offset)) (not (= (select |#valid| |cstrnlen_#in~str.base|) 1)) (and (<= (+ cstrnlen_~cp~2.offset 1) .cse5) .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 Int)) (and (<= 0 v_main_~nondetString1~4.offset_BEFORE_CALL_2) (= (select (select |#memory_int| cstrnlen_~cp~2.base) (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 (select |#length| cstrnlen_~cp~2.base) (- 1))) 0) (<= v_main_~nondetString1~4.offset_BEFORE_CALL_2 0) (<= (+ v_main_~nondetString1~4.offset_BEFORE_CALL_2 1) cstrnlen_~cp~2.offset)))) (not (= 0 |cstrnlen_#in~str.offset|)) (not (exists ((main_~length1~4 Int) (v_main_~nondetString1~4.offset_BEFORE_CALL_1 Int)) (and (= 0 (select (select |#memory_int| |cstrnlen_#in~str.base|) (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1 (- 1)))) (<= |cstrnlen_#in~str.offset| v_main_~nondetString1~4.offset_BEFORE_CALL_1) (<= (+ main_~length1~4 v_main_~nondetString1~4.offset_BEFORE_CALL_1) (select |#length| |cstrnlen_#in~str.base|)) (<= 1 main_~length1~4)))))) [2018-01-29 22:49:46,050 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point cstrnlenFINAL(lines 540 547) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point cstrnlenErr0RequiresViolation(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544''''''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544'''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544''''''''''''(lines 544 545) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point cstrnlenEXIT(lines 540 547) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point cstrnlenErr1RequiresViolation(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,051 INFO L402 ceAbstractionStarter]: At program point cstrnlenENTRY(lines 540 547) the Hoare annotation is: true [2018-01-29 22:49:46,051 INFO L399 ceAbstractionStarter]: For program point L544''''''''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L544''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L544'''''''''''''''(line 544) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 560) the Hoare annotation is: true [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 560) the Hoare annotation is: true [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 548 560) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 560) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L551''(lines 551 553) no Hoare annotation was computed. [2018-01-29 22:49:46,052 INFO L399 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L554'(lines 554 556) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L395 ceAbstractionStarter]: At program point L558'(line 558) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~4.base))) (and (= 0 |main_#t~malloc6.offset|) (= main_~nondetString1~4.offset 0) (= .cse0 main_~length1~4) (= (select (select |#memory_int| main_~nondetString1~4.base) (+ main_~nondetString1~4.offset .cse0 (- 1))) 0) (= main_~length1~4 (select |#length| |main_#t~malloc6.base|)) (= 1 (select |#valid| |main_#t~malloc6.base|)) (= (store |#valid| |main_#t~malloc6.base| 0) |old(#valid)|) (<= 1 main_~length1~4) (= 1 (select |#valid| main_~nondetString1~4.base)))) [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 548 560) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-29 22:49:46,053 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 548 560) no Hoare annotation was computed. [2018-01-29 22:49:46,054 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 548 560) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:49:46,054 INFO L399 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-01-29 22:49:46,054 INFO L399 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-01-29 22:49:46,054 INFO L399 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-01-29 22:49:46,061 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,062 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,062 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,062 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,062 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,063 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,063 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,063 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,063 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,063 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,064 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,065 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,065 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,065 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,065 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,066 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,067 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,068 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,068 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,068 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,069 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,069 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,070 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,070 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,070 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,070 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,070 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,072 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,072 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,072 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,072 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,072 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,080 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,080 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,081 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,081 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,081 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,081 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,081 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,084 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,085 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,086 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,087 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,088 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,088 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,088 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,088 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,088 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,089 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,089 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,089 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,089 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,090 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,090 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,090 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,090 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:49:46 BoogieIcfgContainer [2018-01-29 22:49:46,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 22:49:46,096 INFO L168 Benchmark]: Toolchain (without parser) took 7941.17 ms. Allocated memory was 304.6 MB in the beginning and 541.1 MB in the end (delta: 236.5 MB). Free memory was 264.6 MB in the beginning and 479.4 MB in the end (delta: -214.7 MB). Peak memory consumption was 181.3 MB. Max. memory is 5.3 GB. [2018-01-29 22:49:46,098 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 304.6 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 22:49:46,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.66 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-29 22:49:46,099 INFO L168 Benchmark]: Boogie Preprocessor took 32.08 ms. Allocated memory is still 304.6 MB. Free memory was 253.4 MB in the beginning and 252.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-29 22:49:46,099 INFO L168 Benchmark]: RCFGBuilder took 249.54 ms. Allocated memory is still 304.6 MB. Free memory was 251.4 MB in the beginning and 234.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-29 22:49:46,099 INFO L168 Benchmark]: TraceAbstraction took 7449.59 ms. Allocated memory was 304.6 MB in the beginning and 541.1 MB in the end (delta: 236.5 MB). Free memory was 234.8 MB in the beginning and 479.4 MB in the end (delta: -244.6 MB). Peak memory consumption was 151.5 MB. Max. memory is 5.3 GB. [2018-01-29 22:49:46,101 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 304.6 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 201.66 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.08 ms. Allocated memory is still 304.6 MB. Free memory was 253.4 MB in the beginning and 252.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 249.54 ms. Allocated memory is still 304.6 MB. Free memory was 251.4 MB in the beginning and 234.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7449.59 ms. Allocated memory was 304.6 MB in the beginning and 541.1 MB in the end (delta: 236.5 MB). Free memory was 234.8 MB in the beginning and 479.4 MB in the end (delta: -244.6 MB). Peak memory consumption was 151.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-01-29 22:49:46,109 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,110 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,110 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,110 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,110 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,111 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,111 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,111 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,111 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,112 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,112 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,112 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,112 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,112 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,113 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,114 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,115 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,116 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,117 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,118 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,118 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,118 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,118 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,118 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,119 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,121 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,122 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,122 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,122 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,122 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,123 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,123 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,123 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,123 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,124 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,124 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,124 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,124 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,125 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,125 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,125 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,125 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,125 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,126 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,126 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,126 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,126 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,127 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,128 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,128 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,128 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,128 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_2,QUANTIFIED] [2018-01-29 22:49:46,128 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~4.offset_BEFORE_CALL_1,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~4,QUANTIFIED] [2018-01-29 22:49:46,129 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,130 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,130 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,130 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,131 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,131 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,131 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,131 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,131 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,132 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,132 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,132 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,132 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,133 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,133 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,133 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:49:46,133 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-01-29 22:49:46,133 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((!(\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && 0 == unknown-#memory_int-unknown[str][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[str] + -1]) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= str) || ((((((((\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= cp) && unknown-#memory_int-unknown[cp][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[cp] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0) && 1 == \valid[str]) && 0 == str) && 1 == \valid[cp]) && (\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= str && 0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2) && unknown-#memory_int-unknown[str][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[str] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0)) && (\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((str <= v_main_~nondetString1~4.offset_BEFORE_CALL_1 && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[str]) && 1 <= main_~length1~4) && unknown-#memory_int-unknown[str][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1] == 0)) && 1 <= unknown-#length-unknown[cp]) && 0 == cp)) || !(\valid[str] == 1)) || ((((((cp + 1 <= unknown-#length-unknown[cp] && 1 == \valid[str]) && 0 == str) && 1 == \valid[cp]) && (\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= str && 0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2) && unknown-#memory_int-unknown[str][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[str] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0)) && (\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((str <= v_main_~nondetString1~4.offset_BEFORE_CALL_1 && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[str]) && 1 <= main_~length1~4) && unknown-#memory_int-unknown[str][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1] == 0)) && (\exists v_main_~nondetString1~4.offset_BEFORE_CALL_2 : int :: ((0 <= v_main_~nondetString1~4.offset_BEFORE_CALL_2 && unknown-#memory_int-unknown[cp][v_main_~nondetString1~4.offset_BEFORE_CALL_2 + unknown-#length-unknown[cp] + -1] == 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 <= 0) && v_main_~nondetString1~4.offset_BEFORE_CALL_2 + 1 <= cp))) || !(0 == str)) || !(\exists main_~length1~4 : int, v_main_~nondetString1~4.offset_BEFORE_CALL_1 : int :: ((0 == unknown-#memory_int-unknown[str][main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 + -1] && str <= v_main_~nondetString1~4.offset_BEFORE_CALL_1) && main_~length1~4 + v_main_~nondetString1~4.offset_BEFORE_CALL_1 <= unknown-#length-unknown[str]) && 1 <= main_~length1~4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 56 locations, 5 error locations. SAFE Result, 7.3s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 407 SDtfs, 673 SDslu, 1625 SDs, 0 SdLazy, 702 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 305 HoareAnnotationTreeSize, 7 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 524 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 31 QuantifiedInterpolants, 125308 SizeOfPredicates, 30 NumberOfNonLiveVariables, 237 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 11/59 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-49-46-139.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrnlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-49-46-139.csv Received shutdown request...