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_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 20:58:57,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 20:58:57,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 20:58:57,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 20:58:57,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 20:58:57,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 20:58:57,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 20:58:57,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 20:58:57,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 20:58:57,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 20:58:57,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 20:58:57,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 20:58:57,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 20:58:57,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 20:58:57,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 20:58:57,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 20:58:57,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 20:58:57,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 20:58:57,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 20:58:57,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 20:58:57,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 20:58:57,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 20:58:57,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 20:58:57,219 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 20:58:57,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 20:58:57,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 20:58:57,230 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 20:58:57,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 20:58:57,231 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 20:58:57,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 20:58:57,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 20:58:57,231 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 20:58:57,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 20:58:57,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 20:58:57,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 20:58:57,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 20:58:57,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 20:58:57,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 20:58:57,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 20:58:57,234 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 20:58:57,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 20:58:57,234 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 20:58:57,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 20:58:57,272 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 20:58:57,275 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 20:58:57,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 20:58:57,277 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 20:58:57,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i [2018-02-02 20:58:57,409 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 20:58:57,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 20:58:57,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 20:58:57,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 20:58:57,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 20:58:57,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4631af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57, skipping insertion in model container [2018-02-02 20:58:57,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,432 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:58:57,460 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:58:57,549 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:58:57,561 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:58:57,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57 WrapperNode [2018-02-02 20:58:57,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 20:58:57,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 20:58:57,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 20:58:57,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 20:58:57,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (1/1) ... [2018-02-02 20:58:57,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 20:58:57,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 20:58:57,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 20:58:57,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 20:58:57,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (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 20:58:57,635 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 20:58:57,635 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 20:58:57,636 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 20:58:57,636 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 20:58:57,774 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 20:58:57,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:58:57 BoogieIcfgContainer [2018-02-02 20:58:57,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 20:58:57,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 20:58:57,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 20:58:57,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 20:58:57,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 08:58:57" (1/3) ... [2018-02-02 20:58:57,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5af7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:58:57, skipping insertion in model container [2018-02-02 20:58:57,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:57" (2/3) ... [2018-02-02 20:58:57,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5af7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:58:57, skipping insertion in model container [2018-02-02 20:58:57,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:58:57" (3/3) ... [2018-02-02 20:58:57,780 INFO L107 eAbstractionObserver]: Analyzing ICFG add_last-alloca_true-valid-memsafety_true-termination.i [2018-02-02 20:58:57,785 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 20:58:57,790 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-02-02 20:58:57,827 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 20:58:57,828 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 20:58:57,828 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 20:58:57,828 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 20:58:57,828 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 20:58:57,828 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 20:58:57,828 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 20:58:57,828 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 20:58:57,829 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 20:58:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-02-02 20:58:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 20:58:57,850 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:57,851 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:58:57,852 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-02-02 20:58:57,855 INFO L82 PathProgramCache]: Analyzing trace with hash 756039163, now seen corresponding path program 1 times [2018-02-02 20:58:57,857 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:57,858 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:57,892 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:57,892 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:57,893 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:57,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:58,002 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 20:58:58,004 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:58:58,004 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 20:58:58,005 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 20:58:58,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 20:58:58,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 20:58:58,015 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 5 states. [2018-02-02 20:58:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:58:58,101 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-02-02 20:58:58,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 20:58:58,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-02-02 20:58:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:58:58,152 INFO L225 Difference]: With dead ends: 33 [2018-02-02 20:58:58,152 INFO L226 Difference]: Without dead ends: 30 [2018-02-02 20:58:58,154 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 20:58:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-02-02 20:58:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-02-02 20:58:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-02-02 20:58:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-02-02 20:58:58,176 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 12 [2018-02-02 20:58:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:58:58,176 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-02-02 20:58:58,176 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 20:58:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-02-02 20:58:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 20:58:58,177 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:58,177 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:58:58,177 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-02-02 20:58:58,177 INFO L82 PathProgramCache]: Analyzing trace with hash 756039164, now seen corresponding path program 1 times [2018-02-02 20:58:58,177 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:58,177 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:58,178 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,178 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:58,178 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:58,192 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:58,283 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 20:58:58,283 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:58:58,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 20:58:58,285 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 20:58:58,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 20:58:58,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 20:58:58,285 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 6 states. [2018-02-02 20:58:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:58:58,393 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-02-02 20:58:58,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 20:58:58,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-02-02 20:58:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:58:58,394 INFO L225 Difference]: With dead ends: 45 [2018-02-02 20:58:58,395 INFO L226 Difference]: Without dead ends: 45 [2018-02-02 20:58:58,395 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-02 20:58:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-02 20:58:58,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2018-02-02 20:58:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-02-02 20:58:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2018-02-02 20:58:58,400 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 12 [2018-02-02 20:58:58,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:58:58,400 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2018-02-02 20:58:58,400 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 20:58:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2018-02-02 20:58:58,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 20:58:58,400 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:58,400 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:58:58,400 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-02-02 20:58:58,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1962282239, now seen corresponding path program 1 times [2018-02-02 20:58:58,401 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:58,401 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:58,402 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,402 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:58,402 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:58,411 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:58,429 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 20:58:58,430 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:58:58,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 20:58:58,430 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 20:58:58,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 20:58:58,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 20:58:58,431 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand 4 states. [2018-02-02 20:58:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:58:58,455 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-02-02 20:58:58,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 20:58:58,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-02 20:58:58,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:58:58,457 INFO L225 Difference]: With dead ends: 35 [2018-02-02 20:58:58,457 INFO L226 Difference]: Without dead ends: 35 [2018-02-02 20:58:58,457 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 20:58:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-02-02 20:58:58,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-02-02 20:58:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-02-02 20:58:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2018-02-02 20:58:58,461 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 13 [2018-02-02 20:58:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:58:58,461 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2018-02-02 20:58:58,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 20:58:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-02-02 20:58:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 20:58:58,463 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:58,463 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:58:58,463 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-02-02 20:58:58,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1962377572, now seen corresponding path program 1 times [2018-02-02 20:58:58,463 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:58,463 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:58,464 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,464 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:58,464 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:58,474 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:58,540 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 20:58:58,541 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:58:58,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 20:58:58,541 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 20:58:58,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 20:58:58,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 20:58:58,542 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2018-02-02 20:58:58,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:58:58,581 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-02-02 20:58:58,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 20:58:58,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-02 20:58:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:58:58,583 INFO L225 Difference]: With dead ends: 33 [2018-02-02 20:58:58,583 INFO L226 Difference]: Without dead ends: 33 [2018-02-02 20:58:58,583 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-02-02 20:58:58,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-02-02 20:58:58,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-02-02 20:58:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-02-02 20:58:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-02-02 20:58:58,586 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13 [2018-02-02 20:58:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:58:58,587 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-02-02 20:58:58,587 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 20:58:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-02-02 20:58:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 20:58:58,587 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:58,588 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:58:58,588 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-02-02 20:58:58,588 INFO L82 PathProgramCache]: Analyzing trace with hash -676062270, now seen corresponding path program 1 times [2018-02-02 20:58:58,588 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:58,588 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:58,589 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,589 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:58,589 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:58,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:58,609 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.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) 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 20:58:58,613 INFO L168 Benchmark]: Toolchain (without parser) took 1203.67 ms. Allocated memory was 396.9 MB in the beginning and 592.4 MB in the end (delta: 195.6 MB). Free memory was 354.9 MB in the beginning and 504.3 MB in the end (delta: -149.4 MB). Peak memory consumption was 46.1 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:58,614 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 396.9 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 20:58:58,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.90 ms. Allocated memory is still 396.9 MB. Free memory was 353.6 MB in the beginning and 344.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:58,615 INFO L168 Benchmark]: Boogie Preprocessor took 27.88 ms. Allocated memory is still 396.9 MB. Free memory was 344.3 MB in the beginning and 341.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:58,615 INFO L168 Benchmark]: RCFGBuilder took 178.98 ms. Allocated memory is still 396.9 MB. Free memory was 341.7 MB in the beginning and 325.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:58,615 INFO L168 Benchmark]: TraceAbstraction took 837.65 ms. Allocated memory was 396.9 MB in the beginning and 592.4 MB in the end (delta: 195.6 MB). Free memory was 324.2 MB in the beginning and 504.3 MB in the end (delta: -180.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:58,617 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 396.9 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.90 ms. Allocated memory is still 396.9 MB. Free memory was 353.6 MB in the beginning and 344.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.88 ms. Allocated memory is still 396.9 MB. Free memory was 344.3 MB in the beginning and 341.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 178.98 ms. Allocated memory is still 396.9 MB. Free memory was 341.7 MB in the beginning and 325.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 837.65 ms. Allocated memory was 396.9 MB in the beginning and 592.4 MB in the end (delta: 195.6 MB). Free memory was 324.2 MB in the beginning and 504.3 MB in the end (delta: -180.1 MB). Peak memory consumption was 15.4 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/add_last-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_20-58-58-624.csv Received shutdown request...