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/insertionsort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 20:59:25,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 20:59:25,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 20:59:25,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 20:59:25,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 20:59:25,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 20:59:25,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 20:59:25,365 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 20:59:25,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 20:59:25,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 20:59:25,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 20:59:25,368 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 20:59:25,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 20:59:25,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 20:59:25,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 20:59:25,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 20:59:25,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 20:59:25,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 20:59:25,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 20:59:25,377 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 20:59:25,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 20:59:25,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 20:59:25,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 20:59:25,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 20:59:25,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 20:59:25,382 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 20:59:25,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 20:59:25,383 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 20:59:25,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 20:59:25,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 20:59:25,383 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 20:59:25,383 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 20:59:25,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 20:59:25,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 20:59:25,394 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 20:59:25,394 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 20:59:25,394 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 20:59:25,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 20:59:25,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 20:59:25,394 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 20:59:25,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 20:59:25,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 20:59:25,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 20:59:25,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 20:59:25,397 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 20:59:25,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 20:59:25,432 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 20:59:25,435 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 20:59:25,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 20:59:25,437 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 20:59:25,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-02-02 20:59:25,577 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 20:59:25,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 20:59:25,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 20:59:25,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 20:59:25,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 20:59:25,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc5225c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25, skipping insertion in model container [2018-02-02 20:59:25,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,602 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:59:25,634 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:59:25,728 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:59:25,739 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:59:25,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25 WrapperNode [2018-02-02 20:59:25,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 20:59:25,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 20:59:25,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 20:59:25,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 20:59:25,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (1/1) ... [2018-02-02 20:59:25,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 20:59:25,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 20:59:25,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 20:59:25,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 20:59:25,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (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 20:59:25,807 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 20:59:25,807 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 20:59:25,807 INFO L136 BoogieDeclarations]: Found implementation of procedure insertionSort [2018-02-02 20:59:25,807 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 20:59:25,807 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 20:59:25,807 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 20:59:25,807 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure insertionSort [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 20:59:25,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 20:59:25,938 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 20:59:25,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:59:25 BoogieIcfgContainer [2018-02-02 20:59:25,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 20:59:25,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 20:59:25,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 20:59:25,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 20:59:25,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 08:59:25" (1/3) ... [2018-02-02 20:59:25,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510564f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:59:25, skipping insertion in model container [2018-02-02 20:59:25,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:59:25" (2/3) ... [2018-02-02 20:59:25,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510564f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:59:25, skipping insertion in model container [2018-02-02 20:59:25,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:59:25" (3/3) ... [2018-02-02 20:59:25,943 INFO L107 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-02-02 20:59:25,949 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 20:59:25,953 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-02-02 20:59:25,983 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 20:59:25,984 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 20:59:25,984 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 20:59:25,984 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 20:59:25,984 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 20:59:25,984 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 20:59:25,984 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 20:59:25,984 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 20:59:25,985 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 20:59:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-02 20:59:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 20:59:26,001 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:59:26,002 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:59:26,002 INFO L371 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr0RequiresViolation, insertionSortErr9RequiresViolation, insertionSortErr2RequiresViolation, insertionSortErr5RequiresViolation, insertionSortErr3RequiresViolation, insertionSortErr4RequiresViolation, insertionSortErr8RequiresViolation, insertionSortErr6RequiresViolation, insertionSortErr1RequiresViolation, insertionSortErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 20:59:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash 243546787, now seen corresponding path program 1 times [2018-02-02 20:59:26,008 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:59:26,009 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:59:26,042 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,042 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:59:26,043 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:59:26,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:59:26,160 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 20:59:26,161 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:59:26,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 20:59:26,163 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 20:59:26,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 20:59:26,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 20:59:26,174 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 6 states. [2018-02-02 20:59:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:59:26,288 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-02-02 20:59:26,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 20:59:26,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-02-02 20:59:26,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:59:26,296 INFO L225 Difference]: With dead ends: 41 [2018-02-02 20:59:26,296 INFO L226 Difference]: Without dead ends: 38 [2018-02-02 20:59:26,298 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-02 20:59:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-02-02 20:59:26,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-02-02 20:59:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-02-02 20:59:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-02-02 20:59:26,368 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 14 [2018-02-02 20:59:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:59:26,369 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-02-02 20:59:26,369 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 20:59:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-02-02 20:59:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 20:59:26,369 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:59:26,369 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:59:26,369 INFO L371 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr0RequiresViolation, insertionSortErr9RequiresViolation, insertionSortErr2RequiresViolation, insertionSortErr5RequiresViolation, insertionSortErr3RequiresViolation, insertionSortErr4RequiresViolation, insertionSortErr8RequiresViolation, insertionSortErr6RequiresViolation, insertionSortErr1RequiresViolation, insertionSortErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 20:59:26,370 INFO L82 PathProgramCache]: Analyzing trace with hash 243546788, now seen corresponding path program 1 times [2018-02-02 20:59:26,370 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:59:26,370 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:59:26,371 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,371 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:59:26,371 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:59:26,386 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:59:26,507 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 20:59:26,508 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:59:26,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 20:59:26,509 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 20:59:26,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 20:59:26,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 20:59:26,510 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 7 states. [2018-02-02 20:59:26,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:59:26,697 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-02-02 20:59:26,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 20:59:26,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-02-02 20:59:26,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:59:26,701 INFO L225 Difference]: With dead ends: 59 [2018-02-02 20:59:26,701 INFO L226 Difference]: Without dead ends: 59 [2018-02-02 20:59:26,702 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-02 20:59:26,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-02 20:59:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 41. [2018-02-02 20:59:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-02-02 20:59:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-02-02 20:59:26,707 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 14 [2018-02-02 20:59:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:59:26,708 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-02-02 20:59:26,708 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 20:59:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-02-02 20:59:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 20:59:26,708 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:59:26,709 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 20:59:26,709 INFO L371 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr0RequiresViolation, insertionSortErr9RequiresViolation, insertionSortErr2RequiresViolation, insertionSortErr5RequiresViolation, insertionSortErr3RequiresViolation, insertionSortErr4RequiresViolation, insertionSortErr8RequiresViolation, insertionSortErr6RequiresViolation, insertionSortErr1RequiresViolation, insertionSortErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 20:59:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1724462409, now seen corresponding path program 1 times [2018-02-02 20:59:26,709 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:59:26,709 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:59:26,710 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,710 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:59:26,710 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:59:26,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:59:26,796 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 20:59:26,796 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 20:59:26,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 20:59:26,797 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 20:59:26,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 20:59:26,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-02 20:59:26,797 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 8 states. [2018-02-02 20:59:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 20:59:26,959 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-02-02 20:59:26,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 20:59:26,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-02-02 20:59:26,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 20:59:26,964 INFO L225 Difference]: With dead ends: 79 [2018-02-02 20:59:26,964 INFO L226 Difference]: Without dead ends: 79 [2018-02-02 20:59:26,965 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-02-02 20:59:26,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-02-02 20:59:26,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 48. [2018-02-02 20:59:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-02-02 20:59:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-02-02 20:59:26,973 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 18 [2018-02-02 20:59:26,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 20:59:26,973 INFO L432 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-02-02 20:59:26,973 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 20:59:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-02-02 20:59:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 20:59:26,974 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:59:26,976 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 20:59:26,976 INFO L371 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr0RequiresViolation, insertionSortErr9RequiresViolation, insertionSortErr2RequiresViolation, insertionSortErr5RequiresViolation, insertionSortErr3RequiresViolation, insertionSortErr4RequiresViolation, insertionSortErr8RequiresViolation, insertionSortErr6RequiresViolation, insertionSortErr1RequiresViolation, insertionSortErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 20:59:26,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1435415779, now seen corresponding path program 1 times [2018-02-02 20:59:26,977 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:59:26,977 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:59:26,978 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:26,978 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:59:26,978 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:59:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:59:27,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:59:27,010 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 20:59:27,013 INFO L168 Benchmark]: Toolchain (without parser) took 1436.29 ms. Allocated memory was 401.6 MB in the beginning and 604.5 MB in the end (delta: 202.9 MB). Free memory was 359.8 MB in the beginning and 497.3 MB in the end (delta: -137.5 MB). Peak memory consumption was 65.4 MB. Max. memory is 5.3 GB. [2018-02-02 20:59:27,017 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 20:59:27,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.04 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 349.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-02 20:59:27,018 INFO L168 Benchmark]: Boogie Preprocessor took 24.41 ms. Allocated memory is still 401.6 MB. Free memory was 349.2 MB in the beginning and 346.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:59:27,019 INFO L168 Benchmark]: RCFGBuilder took 169.86 ms. Allocated memory is still 401.6 MB. Free memory was 346.6 MB in the beginning and 328.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-02-02 20:59:27,019 INFO L168 Benchmark]: TraceAbstraction took 1074.01 ms. Allocated memory was 401.6 MB in the beginning and 604.5 MB in the end (delta: 202.9 MB). Free memory was 328.6 MB in the beginning and 497.3 MB in the end (delta: -168.7 MB). Peak memory consumption was 34.2 MB. Max. memory is 5.3 GB. [2018-02-02 20:59:27,021 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 165.04 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 349.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.41 ms. Allocated memory is still 401.6 MB. Free memory was 349.2 MB in the beginning and 346.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 169.86 ms. Allocated memory is still 401.6 MB. Free memory was 346.6 MB in the beginning and 328.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1074.01 ms. Allocated memory was 401.6 MB in the beginning and 604.5 MB in the end (delta: 202.9 MB). Free memory was 328.6 MB in the beginning and 497.3 MB in the end (delta: -168.7 MB). Peak memory consumption was 34.2 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/insertionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_20-59-27-028.csv Received shutdown request...