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/memsafety/960521-1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:25:36,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:25:36,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:25:36,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:25:36,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:25:36,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:25:36,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:25:36,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:25:36,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:25:36,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:25:36,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:25:36,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:25:36,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:25:36,407 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:25:36,408 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:25:36,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:25:36,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:25:36,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:25:36,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:25:36,415 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:25:36,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:25:36,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:25:36,417 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:25:36,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:25:36,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:25:36,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:25:36,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:25:36,420 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:25:36,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:25:36,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:25:36,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:25:36,421 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 20:25:36,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:25:36,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:25:36,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:25:36,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:25:36,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:25:36,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:25:36,433 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:25:36,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:25:36,434 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:25:36,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:25:36,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:25:36,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:25:36,435 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:25:36,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:25:36,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:25:36,471 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:25:36,474 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:25:36,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:25:36,475 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:25:36,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i [2018-02-04 20:25:36,627 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:25:36,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:25:36,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:25:36,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:25:36,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:25:36,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32677a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36, skipping insertion in model container [2018-02-04 20:25:36,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,653 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:25:36,685 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:25:36,782 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:25:36,793 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:25:36,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36 WrapperNode [2018-02-04 20:25:36,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:25:36,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:25:36,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:25:36,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:25:36,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (1/1) ... [2018-02-04 20:25:36,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:25:36,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:25:36,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:25:36,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:25:36,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (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 20:25:36,863 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:25:36,863 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:25:36,863 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-04 20:25:36,863 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:25:36,863 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:25:36,863 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:25:36,863 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:25:36,863 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:25:36,863 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:25:36,864 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:25:37,011 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:25:37,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:25:37 BoogieIcfgContainer [2018-02-04 20:25:37,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:25:37,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:25:37,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:25:37,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:25:37,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:25:36" (1/3) ... [2018-02-04 20:25:37,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12696471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:25:37, skipping insertion in model container [2018-02-04 20:25:37,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:25:36" (2/3) ... [2018-02-04 20:25:37,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12696471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:25:37, skipping insertion in model container [2018-02-04 20:25:37,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:25:37" (3/3) ... [2018-02-04 20:25:37,016 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_false-valid-deref.i [2018-02-04 20:25:37,021 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:25:37,025 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-02-04 20:25:37,055 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:25:37,056 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:25:37,056 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:25:37,056 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:25:37,056 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:25:37,056 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:25:37,056 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:25:37,057 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:25:37,057 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:25:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-02-04 20:25:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 20:25:37,073 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:37,074 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:37,074 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-04 20:25:37,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1993989713, 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 20:25:37,091 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,214 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 20:25:37,233 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:37,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:25:37,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:37,234 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 20:25:37,234 INFO L182 omatonBuilderFactory]: Interpolants [56#true, 57#false, 61#(= 1 (select |#valid| |main_#t~malloc5.base|)), 62#(= 1 (select |#valid| |main_#t~post6.base|)), 63#(and (= ~a.offset |old(~a.offset)|) (= ~a.base |old(~a.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~n |old(~n)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~b.base |old(~b.base)|) (= ~b.offset |old(~b.offset)|))] [2018-02-04 20:25:37,234 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 20:25:37,235 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:25:37,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:25:37,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:25:37,244 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 5 states. [2018-02-04 20:25:37,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:37,422 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-02-04 20:25:37,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:25:37,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-04 20:25:37,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:37,429 INFO L225 Difference]: With dead ends: 52 [2018-02-04 20:25:37,429 INFO L226 Difference]: Without dead ends: 49 [2018-02-04 20:25:37,430 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:25:37,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-02-04 20:25:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-02-04 20:25:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-04 20:25:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-02-04 20:25:37,452 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 11 [2018-02-04 20:25:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:37,452 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-02-04 20:25:37,452 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:25:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-02-04 20:25:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 20:25:37,452 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:37,453 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:37,453 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-04 20:25:37,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1993989714, 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 20:25:37,456 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,528 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 20:25:37,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:37,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:25:37,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:37,554 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 20:25:37,554 INFO L182 omatonBuilderFactory]: Interpolants [167#true, 168#false, 172#(= ~n 128), 173#(and (= 0 |main_#t~malloc5.offset|) (= 512 (select |#length| |main_#t~malloc5.base|))), 174#(and (<= 0 |main_#t~post6.offset|) (<= (+ |main_#t~post6.offset| 4) (select |#length| |main_#t~post6.base|))), 175#(and (= ~a.offset |old(~a.offset)|) (= ~a.base |old(~a.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~n |old(~n)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~b.base |old(~b.base)|) (= ~b.offset |old(~b.offset)|))] [2018-02-04 20:25:37,554 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 20:25:37,555 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:25:37,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:25:37,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:25:37,556 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 6 states. [2018-02-04 20:25:37,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:37,703 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-02-04 20:25:37,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:25:37,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-02-04 20:25:37,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:37,704 INFO L225 Difference]: With dead ends: 48 [2018-02-04 20:25:37,704 INFO L226 Difference]: Without dead ends: 48 [2018-02-04 20:25:37,705 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:25:37,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-02-04 20:25:37,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-02-04 20:25:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-02-04 20:25:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-02-04 20:25:37,709 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 11 [2018-02-04 20:25:37,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:37,709 INFO L432 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-02-04 20:25:37,709 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:25:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-02-04 20:25:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 20:25:37,710 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:37,710 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:37,710 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-04 20:25:37,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1188525484, 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 20:25:37,713 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,728 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:25:37,731 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:37,731 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:37,732 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:37,732 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:25:37,755 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 20:25:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:37,814 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 20:25:37,844 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:25:37,844 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 20:25:37,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:25:37,845 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 20:25:37,845 INFO L182 omatonBuilderFactory]: Interpolants [288#(and (= ~a.offset |old(~a.offset)|) (= ~a.base |old(~a.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~n |old(~n)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~b.base |old(~b.base)|) (= ~b.offset |old(~b.offset)|)), 278#true, 279#false, 283#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 284#(= 1 (select |#valid| |main_#t~malloc4.base|)), 285#(= 1 (select |#valid| ~a.base)), 286#(or (not (= (select |#valid| |main_#t~malloc5.base|) 1)) (= (select |#valid| ~a.base) 1)), 287#(or (= (select |#valid| ~a.base) 1) (not (= (select |#valid| |main_#t~post6.base|) 1)))] [2018-02-04 20:25:37,845 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 20:25:37,845 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 20:25:37,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 20:25:37,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-02-04 20:25:37,846 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2018-02-04 20:25:38,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:25:38,048 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-02-04 20:25:38,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:25:38,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-02-04 20:25:38,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:25:38,049 INFO L225 Difference]: With dead ends: 45 [2018-02-04 20:25:38,050 INFO L226 Difference]: Without dead ends: 45 [2018-02-04 20:25:38,050 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=61, Unknown=3, NotChecked=16, Total=110 [2018-02-04 20:25:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-04 20:25:38,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-02-04 20:25:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-02-04 20:25:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-02-04 20:25:38,054 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 17 [2018-02-04 20:25:38,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:25:38,054 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-02-04 20:25:38,054 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 20:25:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-02-04 20:25:38,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 20:25:38,055 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:25:38,055 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:25:38,055 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-02-04 20:25:38,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1188525483, 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 20:25:38,064 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:25:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:25:38,106 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 0 (* (- 1) (select |#length_8| |main_#t~malloc4.base_6|))) (* (- 1) (select |#length_8| |main_#t~malloc4.base_6|))))) (rewrite a!1)) [2018-02-04 20:25:38,107 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 122 column 366: 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 20:25:38,116 INFO L168 Benchmark]: Toolchain (without parser) took 1488.35 ms. Allocated memory was 399.0 MB in the beginning and 608.7 MB in the end (delta: 209.7 MB). Free memory was 355.9 MB in the beginning and 571.0 MB in the end (delta: -215.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:25:38,118 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 399.0 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:25:38,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.39 ms. Allocated memory is still 399.0 MB. Free memory was 355.9 MB in the beginning and 345.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:38,119 INFO L168 Benchmark]: Boogie Preprocessor took 27.03 ms. Allocated memory is still 399.0 MB. Free memory was 345.2 MB in the beginning and 343.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:38,119 INFO L168 Benchmark]: RCFGBuilder took 186.23 ms. Allocated memory is still 399.0 MB. Free memory was 343.9 MB in the beginning and 324.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:25:38,120 INFO L168 Benchmark]: TraceAbstraction took 1103.85 ms. Allocated memory was 399.0 MB in the beginning and 608.7 MB in the end (delta: 209.7 MB). Free memory was 324.6 MB in the beginning and 571.0 MB in the end (delta: -246.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:25:38,121 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 399.0 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.39 ms. Allocated memory is still 399.0 MB. Free memory was 355.9 MB in the beginning and 345.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.03 ms. Allocated memory is still 399.0 MB. Free memory was 345.2 MB in the beginning and 343.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 186.23 ms. Allocated memory is still 399.0 MB. Free memory was 343.9 MB in the beginning and 324.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1103.85 ms. Allocated memory was 399.0 MB in the beginning and 608.7 MB in the end (delta: 209.7 MB). Free memory was 324.6 MB in the beginning and 571.0 MB in the end (delta: -246.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 122 column 366: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 122 column 366: 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/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-25-38-127.csv Received shutdown request...