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/forester-heap/dll-01_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:19:08,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:19:08,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:19:08,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:19:08,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:19:08,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:19:08,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:19:08,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:19:08,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:19:08,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:19:08,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:19:08,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:19:08,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:19:08,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:19:08,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:19:08,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:19:08,230 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:19:08,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:19:08,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:19:08,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:19:08,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:19:08,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:19:08,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:19:08,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:19:08,237 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:19:08,238 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:19:08,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:19:08,239 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:19:08,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:19:08,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:19:08,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:19:08,240 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 [2018-02-04 04:19:08,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:19:08,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:19:08,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:19:08,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:19:08,252 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:19:08,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:19:08,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:19:08,252 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:19:08,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:19:08,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:19:08,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:19:08,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:19:08,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:19:08,254 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:19:08,254 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:19:08,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:19:08,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:19:08,254 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 04:19:08,255 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 04:19:08,255 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 04:19:08,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:19:08,293 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:19:08,296 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:19:08,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:19:08,298 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:19:08,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-01_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:19:08,451 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:19:08,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:19:08,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:19:08,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:19:08,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:19:08,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d59df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08, skipping insertion in model container [2018-02-04 04:19:08,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,475 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:19:08,505 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:19:08,605 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:19:08,621 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:19:08,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08 WrapperNode [2018-02-04 04:19:08,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:19:08,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:19:08,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:19:08,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:19:08,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... [2018-02-04 04:19:08,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:19:08,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:19:08,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:19:08,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:19:08,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:19:08,698 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:19:08,698 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:19:08,698 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:19:08,698 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:19:08,698 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:19:08,699 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:19:09,088 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:19:09,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:19:09 BoogieIcfgContainer [2018-02-04 04:19:09,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:19:09,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:19:09,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:19:09,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:19:09,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:19:08" (1/3) ... [2018-02-04 04:19:09,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462f5172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:19:09, skipping insertion in model container [2018-02-04 04:19:09,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:08" (2/3) ... [2018-02-04 04:19:09,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462f5172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:19:09, skipping insertion in model container [2018-02-04 04:19:09,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:19:09" (3/3) ... [2018-02-04 04:19:09,096 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-01_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:19:09,101 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:19:09,107 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-02-04 04:19:09,130 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:19:09,130 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:19:09,130 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 04:19:09,131 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 04:19:09,131 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:19:09,131 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:19:09,131 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:19:09,131 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:19:09,132 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:19:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-02-04 04:19:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:19:09,150 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:09,151 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:09,151 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr70EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, 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, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:09,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1231756068, now seen corresponding path program 1 times [2018-02-04 04:19:09,155 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:09,156 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:09,185 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,185 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:09,185 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:09,214 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:19:09,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:09,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:19:09,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:19:09,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:19:09,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:19:09,271 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2018-02-04 04:19:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:09,479 INFO L93 Difference]: Finished difference Result 218 states and 229 transitions. [2018-02-04 04:19:09,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:19:09,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 04:19:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:09,488 INFO L225 Difference]: With dead ends: 218 [2018-02-04 04:19:09,488 INFO L226 Difference]: Without dead ends: 214 [2018-02-04 04:19:09,489 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 [2018-02-04 04:19:09,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-02-04 04:19:09,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 185. [2018-02-04 04:19:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 04:19:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-02-04 04:19:09,518 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 8 [2018-02-04 04:19:09,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:09,518 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-02-04 04:19:09,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:19:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-02-04 04:19:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:19:09,519 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:09,519 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:09,519 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr70EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, 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, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1231756069, now seen corresponding path program 1 times [2018-02-04 04:19:09,519 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:09,519 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:09,520 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,520 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:09,520 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:09,530 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:19:09,573 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:09,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:19:09,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:19:09,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:19:09,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:19:09,575 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 4 states. [2018-02-04 04:19:09,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:09,734 INFO L93 Difference]: Finished difference Result 206 states and 216 transitions. [2018-02-04 04:19:09,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:19:09,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 04:19:09,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:09,736 INFO L225 Difference]: With dead ends: 206 [2018-02-04 04:19:09,736 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 04:19:09,737 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 [2018-02-04 04:19:09,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 04:19:09,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 195. [2018-02-04 04:19:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-02-04 04:19:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 213 transitions. [2018-02-04 04:19:09,748 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 213 transitions. Word has length 8 [2018-02-04 04:19:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:09,748 INFO L432 AbstractCegarLoop]: Abstraction has 195 states and 213 transitions. [2018-02-04 04:19:09,749 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:19:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 213 transitions. [2018-02-04 04:19:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:19:09,749 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:09,749 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:09,749 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr70EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, 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, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash -268288902, now seen corresponding path program 1 times [2018-02-04 04:19:09,750 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:09,750 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:09,751 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,751 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:09,751 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:09,765 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:19:09,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:09,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:19:09,809 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:19:09,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:19:09,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:19:09,810 INFO L87 Difference]: Start difference. First operand 195 states and 213 transitions. Second operand 5 states. [2018-02-04 04:19:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:10,043 INFO L93 Difference]: Finished difference Result 333 states and 359 transitions. [2018-02-04 04:19:10,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:19:10,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 04:19:10,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:10,045 INFO L225 Difference]: With dead ends: 333 [2018-02-04 04:19:10,045 INFO L226 Difference]: Without dead ends: 333 [2018-02-04 04:19:10,046 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:19:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-02-04 04:19:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 194. [2018-02-04 04:19:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-02-04 04:19:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 212 transitions. [2018-02-04 04:19:10,054 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 212 transitions. Word has length 18 [2018-02-04 04:19:10,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:10,054 INFO L432 AbstractCegarLoop]: Abstraction has 194 states and 212 transitions. [2018-02-04 04:19:10,054 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:19:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 212 transitions. [2018-02-04 04:19:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:19:10,055 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:10,055 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:10,055 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr70EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, 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, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:10,055 INFO L82 PathProgramCache]: Analyzing trace with hash -268288901, now seen corresponding path program 1 times [2018-02-04 04:19:10,055 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:10,055 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:10,056 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:10,056 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:10,056 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:10,071 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:19:10,146 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:10,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:19:10,147 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:19:10,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:19:10,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:19:10,147 INFO L87 Difference]: Start difference. First operand 194 states and 212 transitions. Second operand 5 states. [2018-02-04 04:19:10,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:10,408 INFO L93 Difference]: Finished difference Result 361 states and 396 transitions. [2018-02-04 04:19:10,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:19:10,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 04:19:10,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:10,409 INFO L225 Difference]: With dead ends: 361 [2018-02-04 04:19:10,409 INFO L226 Difference]: Without dead ends: 361 [2018-02-04 04:19:10,410 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:19:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-02-04 04:19:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 193. [2018-02-04 04:19:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-02-04 04:19:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 211 transitions. [2018-02-04 04:19:10,417 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 211 transitions. Word has length 18 [2018-02-04 04:19:10,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:10,417 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 211 transitions. [2018-02-04 04:19:10,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:19:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 211 transitions. [2018-02-04 04:19:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:19:10,418 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:10,418 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] [2018-02-04 04:19:10,418 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr70EnsuresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, 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, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:10,419 INFO L82 PathProgramCache]: Analyzing trace with hash 339478269, now seen corresponding path program 1 times [2018-02-04 04:19:10,419 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:10,419 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:10,420 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:10,420 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:10,420 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:10,438 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:10,445 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) [2018-02-04 04:19:10,448 INFO L168 Benchmark]: Toolchain (without parser) took 1996.32 ms. Allocated memory was 403.2 MB in the beginning and 629.1 MB in the end (delta: 226.0 MB). Free memory was 357.2 MB in the beginning and 567.8 MB in the end (delta: -210.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:10,449 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 403.2 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:19:10,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.10 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 344.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:10,449 INFO L168 Benchmark]: Boogie Preprocessor took 31.42 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 342.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:10,450 INFO L168 Benchmark]: RCFGBuilder took 429.00 ms. Allocated memory is still 403.2 MB. Free memory was 342.7 MB in the beginning and 295.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:10,450 INFO L168 Benchmark]: TraceAbstraction took 1355.90 ms. Allocated memory was 403.2 MB in the beginning and 629.1 MB in the end (delta: 226.0 MB). Free memory was 295.0 MB in the beginning and 567.8 MB in the end (delta: -272.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:19:10,451 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 403.2 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 175.10 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 344.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.42 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 342.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 429.00 ms. Allocated memory is still 403.2 MB. Free memory was 342.7 MB in the beginning and 295.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1355.90 ms. Allocated memory was 403.2 MB in the beginning and 629.1 MB in the end (delta: 226.0 MB). Free memory was 295.0 MB in the beginning and 567.8 MB in the end (delta: -272.8 MB). There was no memory consumed. 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-01_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-19-10-458.csv Received shutdown request...