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/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:49:07,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:49:07,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:49:07,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:49:07,308 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:49:07,309 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:49:07,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:49:07,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:49:07,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:49:07,313 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:49:07,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:49:07,314 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:49:07,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:49:07,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:49:07,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:49:07,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:49:07,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:49:07,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:49:07,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:49:07,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:49:07,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:49:07,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:49:07,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:49:07,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:49:07,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:49:07,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:49:07,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:49:07,329 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:49:07,329 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:49:07,330 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:49:07,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:49:07,330 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 10:49:07,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:49:07,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:49:07,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:49:07,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:49:07,340 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:49:07,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:49:07,340 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:49:07,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:49:07,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:49:07,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:49:07,342 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:49:07,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:49:07,378 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:49:07,381 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:49:07,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:49:07,383 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:49:07,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-02-02 10:49:07,508 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:49:07,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:49:07,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:49:07,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:49:07,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:49:07,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36af2533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07, skipping insertion in model container [2018-02-02 10:49:07,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,534 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:49:07,565 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:49:07,664 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:49:07,680 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:49:07,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07 WrapperNode [2018-02-02 10:49:07,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:49:07,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:49:07,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:49:07,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:49:07,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (1/1) ... [2018-02-02 10:49:07,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:49:07,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:49:07,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:49:07,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:49:07,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (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 10:49:07,755 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:49:07,756 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:49:07,756 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:49:07,756 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 10:49:07,757 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:49:07,757 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:49:07,757 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:49:08,200 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:49:08,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:49:08 BoogieIcfgContainer [2018-02-02 10:49:08,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:49:08,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:49:08,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:49:08,204 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:49:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:49:07" (1/3) ... [2018-02-02 10:49:08,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eced051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:49:08, skipping insertion in model container [2018-02-02 10:49:08,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:49:07" (2/3) ... [2018-02-02 10:49:08,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eced051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:49:08, skipping insertion in model container [2018-02-02 10:49:08,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:49:08" (3/3) ... [2018-02-02 10:49:08,208 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-02-02 10:49:08,215 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:49:08,222 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-02-02 10:49:08,256 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:49:08,256 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:49:08,256 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:49:08,256 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:49:08,257 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:49:08,257 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:49:08,257 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:49:08,257 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:49:08,258 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:49:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-02-02 10:49:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:49:08,282 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:49:08,283 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:49:08,284 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr66EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-02 10:49:08,288 INFO L82 PathProgramCache]: Analyzing trace with hash 726209746, now seen corresponding path program 1 times [2018-02-02 10:49:08,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:49:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:49:08,374 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:49:08,417 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 10:49:08,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:49:08,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:49:08,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:49:08,420 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 10:49:08,420 INFO L182 omatonBuilderFactory]: Interpolants [163#true, 164#false, 165#(= 1 (select |#valid| |main_#t~malloc0.base|)), 166#(= 1 (select |#valid| main_~null~0.base))] [2018-02-02 10:49:08,420 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 10:49:08,421 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:49:08,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:49:08,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:49:08,430 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 4 states. [2018-02-02 10:49:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:49:08,669 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2018-02-02 10:49:08,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:49:08,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 10:49:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:49:08,676 INFO L225 Difference]: With dead ends: 181 [2018-02-02 10:49:08,676 INFO L226 Difference]: Without dead ends: 177 [2018-02-02 10:49:08,677 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 10:49:08,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-02 10:49:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 154. [2018-02-02 10:49:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-02 10:49:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2018-02-02 10:49:08,702 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 8 [2018-02-02 10:49:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:49:08,702 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2018-02-02 10:49:08,702 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:49:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2018-02-02 10:49:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:49:08,703 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:49:08,703 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:49:08,703 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr66EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-02 10:49:08,703 INFO L82 PathProgramCache]: Analyzing trace with hash 726209747, now seen corresponding path program 1 times [2018-02-02 10:49:08,704 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:49:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:49:08,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:49:08,758 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 10:49:08,758 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:49:08,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:49:08,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:49:08,759 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 10:49:08,759 INFO L182 omatonBuilderFactory]: Interpolants [504#true, 505#false, 506#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 507#(and (= (select |#length| main_~null~0.base) 12) (= main_~null~0.offset 0))] [2018-02-02 10:49:08,759 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 10:49:08,760 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:49:08,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:49:08,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:49:08,761 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 4 states. [2018-02-02 10:49:08,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:49:08,875 INFO L93 Difference]: Finished difference Result 151 states and 156 transitions. [2018-02-02 10:49:08,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:49:08,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 10:49:08,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:49:08,877 INFO L225 Difference]: With dead ends: 151 [2018-02-02 10:49:08,877 INFO L226 Difference]: Without dead ends: 151 [2018-02-02 10:49:08,878 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 10:49:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-02-02 10:49:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-02-02 10:49:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-02 10:49:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 156 transitions. [2018-02-02 10:49:08,886 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 156 transitions. Word has length 8 [2018-02-02 10:49:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:49:08,886 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 156 transitions. [2018-02-02 10:49:08,887 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:49:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2018-02-02 10:49:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:49:08,887 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:49:08,887 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:49:08,888 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr66EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-02 10:49:08,888 INFO L82 PathProgramCache]: Analyzing trace with hash 3311897, now seen corresponding path program 1 times [2018-02-02 10:49:08,889 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:49:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:49:08,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:49:08,930 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 10:49:08,930 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:49:08,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:49:08,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:49:08,931 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 10:49:08,931 INFO L182 omatonBuilderFactory]: Interpolants [812#true, 813#false, 814#(= 1 (select |#valid| |main_#t~malloc4.base|)), 815#(= 1 (select |#valid| main_~list~0.base))] [2018-02-02 10:49:08,931 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 10:49:08,931 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:49:08,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:49:08,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:49:08,931 INFO L87 Difference]: Start difference. First operand 151 states and 156 transitions. Second operand 4 states. [2018-02-02 10:49:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:49:09,032 INFO L93 Difference]: Finished difference Result 162 states and 168 transitions. [2018-02-02 10:49:09,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:49:09,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-02 10:49:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:49:09,033 INFO L225 Difference]: With dead ends: 162 [2018-02-02 10:49:09,033 INFO L226 Difference]: Without dead ends: 162 [2018-02-02 10:49:09,033 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 10:49:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-02-02 10:49:09,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 147. [2018-02-02 10:49:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-02 10:49:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2018-02-02 10:49:09,039 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 13 [2018-02-02 10:49:09,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:49:09,039 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2018-02-02 10:49:09,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:49:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2018-02-02 10:49:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:49:09,040 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:49:09,040 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:49:09,040 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr66EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-02 10:49:09,041 INFO L82 PathProgramCache]: Analyzing trace with hash 3311898, now seen corresponding path program 1 times [2018-02-02 10:49:09,042 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:49:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:49:09,056 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:49:09,106 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 10:49:09,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:49:09,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:49:09,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:49:09,107 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 10:49:09,107 INFO L182 omatonBuilderFactory]: Interpolants [1127#true, 1128#false, 1129#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1130#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 12))] [2018-02-02 10:49:09,107 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 10:49:09,107 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:49:09,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:49:09,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:49:09,107 INFO L87 Difference]: Start difference. First operand 147 states and 154 transitions. Second operand 4 states. [2018-02-02 10:49:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:49:09,215 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2018-02-02 10:49:09,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:49:09,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-02 10:49:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:49:09,216 INFO L225 Difference]: With dead ends: 159 [2018-02-02 10:49:09,216 INFO L226 Difference]: Without dead ends: 159 [2018-02-02 10:49:09,217 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 10:49:09,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-02 10:49:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2018-02-02 10:49:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-02 10:49:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 158 transitions. [2018-02-02 10:49:09,224 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 158 transitions. Word has length 13 [2018-02-02 10:49:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:49:09,225 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 158 transitions. [2018-02-02 10:49:09,225 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:49:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 158 transitions. [2018-02-02 10:49:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 10:49:09,225 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:49:09,225 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] [2018-02-02 10:49:09,226 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr66EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-02 10:49:09,226 INFO L82 PathProgramCache]: Analyzing trace with hash -969711578, now seen corresponding path program 1 times [2018-02-02 10:49:09,227 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:49:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:49:09,247 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:49:09,255 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 10:49:09,258 INFO L168 Benchmark]: Toolchain (without parser) took 1749.44 ms. Allocated memory was 399.5 MB in the beginning and 600.3 MB in the end (delta: 200.8 MB). Free memory was 356.4 MB in the beginning and 455.4 MB in the end (delta: -99.0 MB). Peak memory consumption was 101.8 MB. Max. memory is 5.3 GB. [2018-02-02 10:49:09,259 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:49:09,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.59 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 344.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:49:09,259 INFO L168 Benchmark]: Boogie Preprocessor took 33.09 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 341.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:49:09,259 INFO L168 Benchmark]: RCFGBuilder took 481.18 ms. Allocated memory is still 399.5 MB. Free memory was 341.8 MB in the beginning and 300.0 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:49:09,260 INFO L168 Benchmark]: TraceAbstraction took 1055.43 ms. Allocated memory was 399.5 MB in the beginning and 600.3 MB in the end (delta: 200.8 MB). Free memory was 300.0 MB in the beginning and 455.4 MB in the end (delta: -155.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 5.3 GB. [2018-02-02 10:49:09,261 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 176.59 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 344.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.09 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 341.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 481.18 ms. Allocated memory is still 399.5 MB. Free memory was 341.8 MB in the beginning and 300.0 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1055.43 ms. Allocated memory was 399.5 MB in the beginning and 600.3 MB in the end (delta: 200.8 MB). Free memory was 300.0 MB in the beginning and 455.4 MB in the end (delta: -155.4 MB). Peak memory consumption was 45.4 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/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-49-09-268.csv Received shutdown request...