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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:21:57,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:21:57,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:21:57,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:21:57,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:21:57,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:21:57,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:21:57,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:21:57,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:21:57,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:21:57,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:21:57,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:21:57,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:21:57,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:21:57,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:21:57,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:21:57,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:21:57,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:21:57,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:21:57,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:21:57,954 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:21:57,954 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:21:57,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:21:57,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:21:57,956 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:21:57,957 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:21:57,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:21:57,958 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:21:57,958 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:21:57,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:21:57,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:21:57,959 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 20:21:57,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:21:57,968 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:21:57,969 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:21:57,969 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:21:57,969 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:21:57,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:21:57,970 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:21:57,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:21:57,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:21:57,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:21:57,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:21:57,972 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:21:57,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:57,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:21:58,007 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:21:58,010 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:21:58,011 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:21:58,011 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:21:58,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-02-04 20:21:58,129 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:21:58,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:21:58,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:21:58,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:21:58,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:21:58,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc5225c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58, skipping insertion in model container [2018-02-04 20:21:58,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,155 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:21:58,187 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:21:58,285 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:21:58,297 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:21:58,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58 WrapperNode [2018-02-04 20:21:58,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:21:58,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:21:58,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:21:58,302 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:21:58,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... [2018-02-04 20:21:58,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:21:58,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:21:58,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:21:58,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:21:58,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 20:21:58,364 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:21:58,364 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:21:58,364 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-02-04 20:21:58,364 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:21:58,364 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:21:58,364 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:21:58,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:21:58,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:21:58,365 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:21:58,478 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:21:58,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:21:58 BoogieIcfgContainer [2018-02-04 20:21:58,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:21:58,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:21:58,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:21:58,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:21:58,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:21:58" (1/3) ... [2018-02-04 20:21:58,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6242e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:21:58, skipping insertion in model container [2018-02-04 20:21:58,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:58" (2/3) ... [2018-02-04 20:21:58,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6242e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:21:58, skipping insertion in model container [2018-02-04 20:21:58,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:21:58" (3/3) ... [2018-02-04 20:21:58,483 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-02-04 20:21:58,487 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:21:58,491 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-02-04 20:21:58,520 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:21:58,520 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:21:58,520 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:21:58,520 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:21:58,520 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:21:58,520 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:21:58,521 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:21:58,521 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:21:58,521 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:21:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-02-04 20:21:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:21:58,540 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:21:58,541 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:21:58,541 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 20:21:58,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1793434931, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:58,554 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:21:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:58,585 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:21:58,595 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,596 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,597 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,597 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,628 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:21:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:58,693 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:21:58,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:21:58,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:21:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:58,695 INFO L182 omatonBuilderFactory]: Interpolants [34#true, 35#false, 39#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 40#(= 1 (select |#valid| |main_#t~malloc3.base|)), 41#(= 1 (select |#valid| main_~nondetString1~0.base)), 42#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:21:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:58,696 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:21:58,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:21:58,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:21:58,709 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 6 states. [2018-02-04 20:21:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:21:58,861 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-02-04 20:21:58,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:21:58,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 20:21:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:21:58,869 INFO L225 Difference]: With dead ends: 38 [2018-02-04 20:21:58,869 INFO L226 Difference]: Without dead ends: 35 [2018-02-04 20:21:58,871 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:21:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-02-04 20:21:58,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2018-02-04 20:21:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-02-04 20:21:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-02-04 20:21:58,898 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 10 [2018-02-04 20:21:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:21:58,899 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-02-04 20:21:58,899 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:21:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-02-04 20:21:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:21:58,899 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:21:58,899 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:21:58,899 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 20:21:58,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1793434932, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:58,902 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:21:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:58,910 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 20:21:58,911 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,912 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,916 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |c_#length| %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:21:58,916 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,916 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,917 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:58,917 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,074 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:21:59,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:21:59,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:21:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,075 INFO L182 omatonBuilderFactory]: Interpolants [116#true, 117#false, 121#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) :qid itp)), 122#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) (= main_~length1~0 1)) :qid itp)), 123#(and (= 1 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|) (= main_~length1~0 1)), 124#(and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 (+ main_~nondetString1~0.offset main_~length1~0))), 125#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:21:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,076 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 20:21:59,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 20:21:59,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=21, Unknown=2, NotChecked=8, Total=42 [2018-02-04 20:21:59,076 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 7 states. [2018-02-04 20:21:59,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:21:59,189 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-02-04 20:21:59,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:21:59,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-02-04 20:21:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:21:59,190 INFO L225 Difference]: With dead ends: 35 [2018-02-04 20:21:59,190 INFO L226 Difference]: Without dead ends: 35 [2018-02-04 20:21:59,191 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=49, Unknown=5, NotChecked=14, Total=90 [2018-02-04 20:21:59,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-02-04 20:21:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2018-02-04 20:21:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-02-04 20:21:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-02-04 20:21:59,195 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 10 [2018-02-04 20:21:59,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:21:59,195 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-02-04 20:21:59,195 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 20:21:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-02-04 20:21:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:21:59,196 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:21:59,196 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:21:59,196 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 20:21:59,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1793494513, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:59,198 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:21:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:59,206 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:21:59,208 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:59,208 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:59,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:59,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:59,215 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 20:21:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,249 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:21:59,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:21:59,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:21:59,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,250 INFO L182 omatonBuilderFactory]: Interpolants [198#true, 199#false, 203#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 204#(= 1 (select |#valid| |main_#t~malloc3.base|)), 205#(= 1 (select |#valid| main_~nondetString1~0.base)), 206#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:21:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:21:59,250 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:21:59,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:21:59,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:21:59,250 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 6 states. [2018-02-04 20:21:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:21:59,324 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-02-04 20:21:59,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:21:59,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 20:21:59,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:21:59,327 INFO L225 Difference]: With dead ends: 30 [2018-02-04 20:21:59,327 INFO L226 Difference]: Without dead ends: 30 [2018-02-04 20:21:59,327 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:21:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-02-04 20:21:59,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-02-04 20:21:59,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-02-04 20:21:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-02-04 20:21:59,330 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 10 [2018-02-04 20:21:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:21:59,330 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-02-04 20:21:59,331 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:21:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-02-04 20:21:59,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:21:59,331 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:21:59,331 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:21:59,331 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 20:21:59,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1793494514, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:59,337 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:21:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:59,358 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ |main_#t~nondet2_4| 0 (* (- 1) (select |#length_7| |main_#t~malloc3.base_7|))) (+ |main_#t~nondet2_4| (* (- 1) (select |#length_7| |main_#t~malloc3.base_7|)))))) (rewrite a!1)) [2018-02-04 20:21:59,359 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 66 column 248: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 20:21:59,365 INFO L168 Benchmark]: Toolchain (without parser) took 1235.98 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 363.3 MB in the beginning and 534.6 MB in the end (delta: -171.3 MB). Peak memory consumption was 36.8 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:59,366 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 405.3 MB. Free memory is still 368.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:21:59,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.51 ms. Allocated memory is still 405.3 MB. Free memory was 362.0 MB in the beginning and 352.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:59,367 INFO L168 Benchmark]: Boogie Preprocessor took 23.93 ms. Allocated memory is still 405.3 MB. Free memory was 352.7 MB in the beginning and 350.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:59,367 INFO L168 Benchmark]: RCFGBuilder took 153.27 ms. Allocated memory is still 405.3 MB. Free memory was 350.1 MB in the beginning and 335.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:59,368 INFO L168 Benchmark]: TraceAbstraction took 885.35 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 334.0 MB in the beginning and 534.6 MB in the end (delta: -200.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:59,370 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 405.3 MB. Free memory is still 368.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 170.51 ms. Allocated memory is still 405.3 MB. Free memory was 362.0 MB in the beginning and 352.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.93 ms. Allocated memory is still 405.3 MB. Free memory was 352.7 MB in the beginning and 350.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 153.27 ms. Allocated memory is still 405.3 MB. Free memory was 350.1 MB in the beginning and 335.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 885.35 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 334.0 MB in the beginning and 534.6 MB in the end (delta: -200.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 66 column 248: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 66 column 248: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-21-59-377.csv Received shutdown request...