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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:40:37,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:40:37,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:40:37,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:40:37,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:40:37,777 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:40:37,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:40:37,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:40:37,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:40:37,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:40:37,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:40:37,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:40:37,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:40:37,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:40:37,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:40:37,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:40:37,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:40:37,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:40:37,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:40:37,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:40:37,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 10:40:37,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:40:37,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:40:37,797 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:40:37,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:40:37,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:40:37,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:40:37,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:40:37,809 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:40:37,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:40:37,810 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:40:37,811 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:40:37,811 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:40:37,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:40:37,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:40:37,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:40:37,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:40:37,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:40:37,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:40:37,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:40:37,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:40:37,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:40:37,812 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:40:37,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:40:37,849 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:40:37,852 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:40:37,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:40:37,853 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:40:37,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_flag_false-unreach-call_false-valid-deref.i [2018-02-02 10:40:37,975 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:40:37,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:40:37,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:40:37,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:40:37,983 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:40:37,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:40:37" (1/1) ... [2018-02-02 10:40:37,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5e652d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:37, skipping insertion in model container [2018-02-02 10:40:37,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:40:37" (1/1) ... [2018-02-02 10:40:38,003 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:40:38,033 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:40:38,126 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:40:38,143 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:40:38,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38 WrapperNode [2018-02-02 10:40:38,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:40:38,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:40:38,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:40:38,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:40:38,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (1/1) ... [2018-02-02 10:40:38,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:40:38,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:40:38,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:40:38,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:40:38,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (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 [2018-02-02 10:40:38,224 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:40:38,224 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:40:38,224 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-02-02 10:40:38,225 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:40:38,225 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:40:38,225 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:40:38,225 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:40:38,225 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:40:38,225 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:40:38,226 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-02-02 10:40:38,227 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:40:38,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:40:38,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:40:38,526 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:40:38,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:40:38 BoogieIcfgContainer [2018-02-02 10:40:38,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:40:38,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:40:38,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:40:38,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:40:38,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:40:37" (1/3) ... [2018-02-02 10:40:38,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20982340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:40:38, skipping insertion in model container [2018-02-02 10:40:38,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:38" (2/3) ... [2018-02-02 10:40:38,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20982340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:40:38, skipping insertion in model container [2018-02-02 10:40:38,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:40:38" (3/3) ... [2018-02-02 10:40:38,533 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_flag_false-unreach-call_false-valid-deref.i [2018-02-02 10:40:38,540 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:40:38,547 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 35 error locations. [2018-02-02 10:40:38,577 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:40:38,578 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:40:38,578 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:40:38,578 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:40:38,578 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:40:38,578 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:40:38,578 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:40:38,578 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:40:38,579 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:40:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-02-02 10:40:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 10:40:38,601 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:38,602 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:40:38,602 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 10:40:38,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1955450078, now seen corresponding path program 1 times [2018-02-02 10:40:38,656 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:38,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:40:38,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:40:38,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:40:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,728 INFO L182 omatonBuilderFactory]: Interpolants [97#true, 98#false] [2018-02-02 10:40:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-02 10:40:38,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-02 10:40:38,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-02 10:40:38,739 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-02-02 10:40:38,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:40:38,798 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2018-02-02 10:40:38,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-02 10:40:38,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-02-02 10:40:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:40:38,804 INFO L225 Difference]: With dead ends: 94 [2018-02-02 10:40:38,804 INFO L226 Difference]: Without dead ends: 86 [2018-02-02 10:40:38,805 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-02 10:40:38,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-02-02 10:40:38,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-02-02 10:40:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-02-02 10:40:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2018-02-02 10:40:38,835 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 12 [2018-02-02 10:40:38,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:40:38,835 INFO L432 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2018-02-02 10:40:38,836 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-02 10:40:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2018-02-02 10:40:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:40:38,836 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:38,836 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:40:38,836 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 10:40:38,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2124161760, now seen corresponding path program 1 times [2018-02-02 10:40:38,838 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:38,852 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:40:38,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:40:38,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:40:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,901 INFO L182 omatonBuilderFactory]: Interpolants [279#true, 280#false, 281#(= 1 (select |#valid| |main_#t~malloc0.base|)), 282#(= 1 (select |#valid| main_~a~0.base)), 283#(= 1 (select |#valid| main_~p~0.base))] [2018-02-02 10:40:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:38,903 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:40:38,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:40:38,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:40:38,904 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 5 states. [2018-02-02 10:40:39,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:40:39,026 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2018-02-02 10:40:39,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:40:39,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 10:40:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:40:39,027 INFO L225 Difference]: With dead ends: 95 [2018-02-02 10:40:39,027 INFO L226 Difference]: Without dead ends: 95 [2018-02-02 10:40:39,027 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 10:40:39,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-02-02 10:40:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2018-02-02 10:40:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-02-02 10:40:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2018-02-02 10:40:39,032 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 15 [2018-02-02 10:40:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:40:39,032 INFO L432 AbstractCegarLoop]: Abstraction has 83 states and 94 transitions. [2018-02-02 10:40:39,032 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:40:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2018-02-02 10:40:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:40:39,032 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:39,033 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:40:39,033 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 10:40:39,033 INFO L82 PathProgramCache]: Analyzing trace with hash 2124161761, now seen corresponding path program 1 times [2018-02-02 10:40:39,033 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:39,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:39,114 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:40:39,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:40:39,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:40:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:39,115 INFO L182 omatonBuilderFactory]: Interpolants [466#true, 467#false, 468#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 469#(and (= 0 main_~a~0.offset) (= 12 (select |#length| main_~a~0.base))), 470#(and (= main_~p~0.offset 0) (= (select |#length| main_~p~0.base) 12))] [2018-02-02 10:40:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:40:39,116 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:40:39,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:40:39,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:40:39,117 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. Second operand 5 states. [2018-02-02 10:40:39,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:40:39,271 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2018-02-02 10:40:39,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:40:39,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 10:40:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:40:39,272 INFO L225 Difference]: With dead ends: 115 [2018-02-02 10:40:39,272 INFO L226 Difference]: Without dead ends: 115 [2018-02-02 10:40:39,272 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 10:40:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-02 10:40:39,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 107. [2018-02-02 10:40:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-02-02 10:40:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2018-02-02 10:40:39,280 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 15 [2018-02-02 10:40:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:40:39,280 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2018-02-02 10:40:39,281 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:40:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2018-02-02 10:40:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-02 10:40:39,281 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:39,282 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:40:39,282 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr34EnsuresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-02 10:40:39,282 INFO L82 PathProgramCache]: Analyzing trace with hash -859332542, now seen corresponding path program 1 times [2018-02-02 10:40:39,283 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:39,300 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:39,305 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) 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.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) 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) [2018-02-02 10:40:39,309 INFO L168 Benchmark]: Toolchain (without parser) took 1333.97 ms. Allocated memory was 401.1 MB in the beginning and 604.5 MB in the end (delta: 203.4 MB). Free memory was 357.8 MB in the beginning and 503.7 MB in the end (delta: -145.9 MB). Peak memory consumption was 57.5 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:39,310 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-02-02 10:40:39,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.34 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:39,311 INFO L168 Benchmark]: Boogie Preprocessor took 29.68 ms. Allocated memory is still 401.1 MB. Free memory was 347.2 MB in the beginning and 344.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:39,311 INFO L168 Benchmark]: RCFGBuilder took 346.50 ms. Allocated memory is still 401.1 MB. Free memory was 344.6 MB in the beginning and 316.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:39,311 INFO L168 Benchmark]: TraceAbstraction took 781.23 ms. Allocated memory was 401.1 MB in the beginning and 604.5 MB in the end (delta: 203.4 MB). Free memory was 313.9 MB in the beginning and 503.7 MB in the end (delta: -189.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:39,313 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 173.34 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 347.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.68 ms. Allocated memory is still 401.1 MB. Free memory was 347.2 MB in the beginning and 344.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 346.50 ms. Allocated memory is still 401.1 MB. Free memory was 344.6 MB in the beginning and 316.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 781.23 ms. Allocated memory was 401.1 MB in the beginning and 604.5 MB in the end (delta: 203.4 MB). Free memory was 313.9 MB in the beginning and 503.7 MB in the end (delta: -189.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) 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/list-ext_flag_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-40-39-319.csv Received shutdown request...