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-ccafca9-m [2018-02-04 04:27:31,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:27:31,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:27:31,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:27:31,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:27:31,052 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:27:31,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:27:31,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:27:31,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:27:31,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:27:31,056 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:27:31,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:27:31,057 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:27:31,058 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:27:31,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:27:31,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:27:31,062 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:27:31,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:27:31,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:27:31,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:27:31,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:27:31,072 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 04:27:31,081 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:27:31,081 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:27:31,082 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:27:31,083 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:27:31,083 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:27:31,084 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:27:31,084 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:27:31,085 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:27:31,085 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:27:31,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:27:31,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:27:31,121 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:27:31,124 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:27:31,125 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:27:31,125 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:27:31,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i [2018-02-04 04:27:31,239 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:27:31,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:27:31,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:27:31,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:27:31,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:27:31,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5274a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31, skipping insertion in model container [2018-02-04 04:27:31,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,265 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:27:31,293 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:27:31,375 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:27:31,390 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:27:31,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31 WrapperNode [2018-02-04 04:27:31,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:27:31,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:27:31,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:27:31,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:27:31,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (1/1) ... [2018-02-04 04:27:31,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:27:31,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:27:31,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:27:31,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:27:31,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (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 04:27:31,449 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:27:31,449 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:27:31,450 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-04 04:27:31,450 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:27:31,450 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:27:31,451 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:27:31,584 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:27:31,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:27:31 BoogieIcfgContainer [2018-02-04 04:27:31,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:27:31,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:27:31,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:27:31,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:27:31,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:27:31" (1/3) ... [2018-02-04 04:27:31,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787d6f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:27:31, skipping insertion in model container [2018-02-04 04:27:31,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:27:31" (2/3) ... [2018-02-04 04:27:31,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787d6f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:27:31, skipping insertion in model container [2018-02-04 04:27:31,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:27:31" (3/3) ... [2018-02-04 04:27:31,589 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_false-valid-deref.i [2018-02-04 04:27:31,596 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:27:31,600 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-02-04 04:27:31,623 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:27:31,623 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:27:31,623 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:27:31,623 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:27:31,623 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:27:31,623 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:27:31,624 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:27:31,624 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:27:31,624 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:27:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-02-04 04:27:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 04:27:31,642 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:27:31,643 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:27:31,643 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 04:27:31,646 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 04:27:31,657 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:27:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:31,737 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 04:27:31,763 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:27:31,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:27:31,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:27:31,764 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 04:27:31,764 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 04:27:31,764 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 04:27:31,765 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:27:31,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:27:31,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:27:31,774 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 5 states. [2018-02-04 04:27:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:27:31,951 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-02-04 04:27:31,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:27:31,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-04 04:27:31,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:27:31,960 INFO L225 Difference]: With dead ends: 52 [2018-02-04 04:27:31,961 INFO L226 Difference]: Without dead ends: 49 [2018-02-04 04:27:31,962 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 04:27:31,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-02-04 04:27:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-02-04 04:27:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-04 04:27:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-02-04 04:27:31,994 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 11 [2018-02-04 04:27:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:27:31,994 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-02-04 04:27:31,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:27:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-02-04 04:27:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 04:27:31,995 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:27:31,995 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:27:31,995 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 04:27:31,995 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 04:27:31,999 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:27:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:32,067 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 04:27:32,097 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:27:32,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:27:32,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:27:32,098 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 04:27:32,098 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 04:27:32,098 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 04:27:32,100 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:27:32,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:27:32,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:27:32,101 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 6 states. [2018-02-04 04:27:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:27:32,259 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-02-04 04:27:32,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:27:32,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-02-04 04:27:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:27:32,260 INFO L225 Difference]: With dead ends: 48 [2018-02-04 04:27:32,260 INFO L226 Difference]: Without dead ends: 48 [2018-02-04 04:27:32,261 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 04:27:32,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-02-04 04:27:32,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-02-04 04:27:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-02-04 04:27:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-02-04 04:27:32,265 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 11 [2018-02-04 04:27:32,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:27:32,265 INFO L432 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-02-04 04:27:32,265 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:27:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-02-04 04:27:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 04:27:32,266 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:27:32,266 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 04:27:32,266 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 04:27:32,267 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 04:27:32,269 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:27:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:32,283 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:27:32,286 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:27:32,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:27:32,287 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:27:32,288 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:27:32,390 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 04:27:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:32,442 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 04:27:32,462 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:27:32,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:27:32,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:27:32,463 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 04:27:32,463 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 04:27:32,463 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 04:27:32,464 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:27:32,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:27:32,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-02-04 04:27:32,464 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2018-02-04 04:27:32,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:27:32,613 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-02-04 04:27:32,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:27:32,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-02-04 04:27:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:27:32,615 INFO L225 Difference]: With dead ends: 45 [2018-02-04 04:27:32,615 INFO L226 Difference]: Without dead ends: 45 [2018-02-04 04:27:32,615 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=61, Unknown=3, NotChecked=16, Total=110 [2018-02-04 04:27:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-04 04:27:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-02-04 04:27:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-02-04 04:27:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-02-04 04:27:32,618 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 17 [2018-02-04 04:27:32,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:27:32,619 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-02-04 04:27:32,619 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:27:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-02-04 04:27:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 04:27:32,619 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:27:32,619 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 04:27:32,620 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 04:27:32,620 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 04:27:32,624 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:27:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:27:32,657 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 04:27:32,657 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:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) 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 04:27:32,660 INFO L168 Benchmark]: Toolchain (without parser) took 1420.29 ms. Allocated memory was 401.1 MB in the beginning and 608.7 MB in the end (delta: 207.6 MB). Free memory was 357.8 MB in the beginning and 543.7 MB in the end (delta: -185.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:27:32,661 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 363.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:27:32,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.46 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:27:32,661 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 ms. Allocated memory is still 401.1 MB. Free memory was 347.1 MB in the beginning and 344.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:27:32,661 INFO L168 Benchmark]: RCFGBuilder took 166.68 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 324.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:27:32,662 INFO L168 Benchmark]: TraceAbstraction took 1074.28 ms. Allocated memory was 401.1 MB in the beginning and 608.7 MB in the end (delta: 207.6 MB). Free memory was 324.6 MB in the beginning and 543.7 MB in the end (delta: -219.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:27:32,663 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 363.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.46 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.88 ms. Allocated memory is still 401.1 MB. Free memory was 347.1 MB in the beginning and 344.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 166.68 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 324.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1074.28 ms. Allocated memory was 401.1 MB in the beginning and 608.7 MB in the end (delta: 207.6 MB). Free memory was 324.6 MB in the beginning and 543.7 MB in the end (delta: -219.0 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_04-27-32-669.csv Received shutdown request...